3451878 has 48 divisors (see below), whose sum is σ = 7896096. Its totient is φ = 1088640.

The previous prime is 3451873. The next prime is 3451897. The reversal of 3451878 is 8781543.

3451878 is nontrivially palindromic in base 11.

3451878 is a nontrivial binomial coefficient, being equal to C(2628, 2).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3451871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47250 + ... + 47322.

It is an arithmetic number, because the mean of its divisors is an integer number (164502).

Almost surely, 2^3451878 is an apocalyptic number.

3451878 is the 2627-th triangular number and also the 1314-th hexagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3451878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3948048).

3451878 is an abundant number, since it is smaller than the sum of its proper divisors (4444218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3451878 is a wasteful number, since it uses less digits than its factorization.

3451878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 186 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 3451878 is about 1857.9230339279. The cubic root of 3451878 is about 151.1303933407.

It can be divided in two parts, 34518 and 78, that added together give a square (34596 = 186²).

The spelling of 3451878 in words is "three million, four hundred fifty-one thousand, eight hundred seventy-eight".