34886920 has 16 divisors (see below), whose sum is σ = 78495660. Its totient is φ = 13954752.

The previous prime is 34886909. The next prime is 34886933. The reversal of 34886920 is 2968843.

It can be written as a sum of positive squares in 2 ways, for example, as 34880836 + 6084 = 5906^2 + 78^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 872173 = 34886920 / (3 + 4 + 8 + 8 + 6 + 9 + 2 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436047 + ... + 436126.

Almost surely, 2^34886920 is an apocalyptic number.

It is an amenable number.

34886920 is an abundant number, since it is smaller than the sum of its proper divisors (43608740).

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

34886920 is a wasteful number, since it uses less digits than its factorization.

34886920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872184 (or 872180 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 34886920 is about 5906.5150469630. The cubic root of 34886920 is about 326.7539726844.

The spelling of 34886920 in words is "thirty-four million, eight hundred eighty-six thousand, nine hundred twenty".