34856990 has 16 divisors (see below), whose sum is σ = 71705952. Its totient is φ = 11950944.

The previous prime is 34856981. The next prime is 34856993. The reversal of 34856990 is 9965843.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34856993) 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 7 ways as a sum of consecutive naturals, for example, 248909 + ... + 249048.

It is an arithmetic number, because the mean of its divisors is an integer number (4481622).

Almost surely, 2^34856990 is an apocalyptic number.

34856990 is an abundant number, since it is smaller than the sum of its proper divisors (36848962).

34856990 is a wasteful number, since it uses less digits than its factorization.

34856990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497971.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 34856990 is about 5903.9808604026. The cubic root of 34856990 is about 326.6605036090.

The spelling of 34856990 in words is "thirty-four million, eight hundred fifty-six thousand, nine hundred ninety".