34640646 has 16 divisors (see below), whose sum is σ = 69341184. Its totient is φ = 11536904.

The previous prime is 34640633. The next prime is 34640657. The reversal of 34640646 is 64604643.

It is a Curzon number.

It is a congruent number.

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, 9355 + ... + 12521.

It is an arithmetic number, because the mean of its divisors is an integer number (4333824).

Almost surely, 2^34640646 is an apocalyptic number.

34640646 is an abundant number, since it is smaller than the sum of its proper divisors (34700538).

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

34640646 is a wasteful number, since it uses less digits than its factorization.

34640646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4995.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 34640646 is about 5885.6304675030. The cubic root of 34640646 is about 325.9832816649.

The spelling of 34640646 in words is "thirty-four million, six hundred forty thousand, six hundred forty-six".