3426624 has 70 divisors (see below), whose sum is σ = 10172954. Its totient is φ = 1140480.

The previous prime is 3426623. The next prime is 3426637. The reversal of 3426624 is 4266243.

3426624 is a `hidden beast` number, since 34 + 2 + 6 + 624 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3240000 + 186624 = 1800^2 + 432^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3426623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4854 + ... + 5514.

Almost surely, 2^3426624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3426624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5086477).

3426624 is an abundant number, since it is smaller than the sum of its proper divisors (6746330).

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

3426624 is an equidigital number, since it uses as much as digits as its factorization.

3426624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 666 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 3426624 is about 1851.1142590343. The cubic root of 3426624 is about 150.7609333423.

The spelling of 3426624 in words is "three million, four hundred twenty-six thousand, six hundred twenty-four".