34921986 has 16 divisors (see below), whose sum is σ = 76193568. Its totient is φ = 10582400.

The previous prime is 34921979. The next prime is 34922009. The reversal of 34921986 is 68912943.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264495 + ... + 264626.

It is an arithmetic number, because the mean of its divisors is an integer number (4762098).

Almost surely, 2^34921986 is an apocalyptic number.

34921986 is an abundant number, since it is smaller than the sum of its proper divisors (41271582).

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

34921986 is a wasteful number, since it uses less digits than its factorization.

34921986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529137.

The product of its digits is 93312, while the sum is 42.

The square root of 34921986 is about 5909.4827184788. The cubic root of 34921986 is about 326.8634131091.

The spelling of 34921986 in words is "thirty-four million, nine hundred twenty-one thousand, nine hundred eighty-six".