34905438 has 16 divisors (see below), whose sum is σ = 77567760. Its totient is φ = 11635128.

The previous prime is 34905407. The next prime is 34905457. The reversal of 34905438 is 83450943.

34905438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 323145 + ... + 323252.

It is an arithmetic number, because the mean of its divisors is an integer number (4847985).

Almost surely, 2^34905438 is an apocalyptic number.

34905438 is an abundant number, since it is smaller than the sum of its proper divisors (42662322).

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

34905438 is a wasteful number, since it uses less digits than its factorization.

34905438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646408 (or 646402 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 34905438 is about 5908.0824300275. The cubic root of 34905438 is about 326.8117761992.

The spelling of 34905438 in words is "thirty-four million, nine hundred five thousand, four hundred thirty-eight".