34686690 has 32 divisors (see below), whose sum is σ = 84663360. Its totient is φ = 9092544.

The previous prime is 34686689. The next prime is 34686713. The reversal of 34686690 is 9668643.

It is a super-2 number, since 2×34686690² = 2406332926312200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8029 + ... + 11568.

It is an arithmetic number, because the mean of its divisors is an integer number (2645730).

Almost surely, 2^34686690 is an apocalyptic number.

34686690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34686690 is an abundant number, since it is smaller than the sum of its proper divisors (49976670).

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

34686690 is a wasteful number, since it uses less digits than its factorization.

34686690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19666.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 34686690 is about 5889.5407291231. The cubic root of 34686690 is about 326.1276489585.

The spelling of 34686690 in words is "thirty-four million, six hundred eighty-six thousand, six hundred ninety".