34784154 has 40 divisors (see below), whose sum is σ = 79858548. Its totient is φ = 11309760.

The previous prime is 34784153. The next prime is 34784161. The reversal of 34784154 is 45148743.

It can be written as a sum of positive squares in 2 ways, for example, as 34539129 + 245025 = 5877^2 + 495^2 .

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 not an unprimeable number, because it can be changed into a prime (34784153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4024 + ... + 9260.

Almost surely, 2^34784154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34784154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39929274).

34784154 is an abundant number, since it is smaller than the sum of its proper divisors (45074394).

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

34784154 is a wasteful number, since it uses less digits than its factorization.

34784154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292 (or 5283 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 34784154 is about 5897.8092542910. The cubic root of 34784154 is about 326.4328186616.

The spelling of 34784154 in words is "thirty-four million, seven hundred eighty-four thousand, one hundred fifty-four".