34891904 has 32 divisors (see below), whose sum is σ = 73174800. Its totient is φ = 16526592.

The previous prime is 34891841. The next prime is 34891921. The reversal of 34891904 is 40919843.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4742 + ... + 9605.

Almost surely, 2^34891904 is an apocalyptic number.

It is an amenable number.

34891904 is an abundant number, since it is smaller than the sum of its proper divisors (38282896).

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

34891904 is a wasteful number, since it uses less digits than its factorization.

34891904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14380 (or 14368 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 34891904 is about 5906.9369388880. The cubic root of 34891904 is about 326.7695321381.

The spelling of 34891904 in words is "thirty-four million, eight hundred ninety-one thousand, nine hundred four".