34686438 has 32 divisors (see below), whose sum is σ = 76204800. Its totient is φ = 10476576.

The previous prime is 34686413. The next prime is 34686479. The reversal of 34686438 is 83468643.

It is a super-2 number, since 2×34686438² = 2406297962255688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34686438.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3993 + ... + 9236.

It is an arithmetic number, because the mean of its divisors is an integer number (2381400).

Almost surely, 2^34686438 is an apocalyptic number.

34686438 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

34686438 is an abundant number, since it is smaller than the sum of its proper divisors (41518362).

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

34686438 is a wasteful number, since it uses less digits than its factorization.

34686438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13276.

The product of its digits is 331776, while the sum is 42.

The square root of 34686438 is about 5889.5193352259. The cubic root of 34686438 is about 326.1268591804.

The spelling of 34686438 in words is "thirty-four million, six hundred eighty-six thousand, four hundred thirty-eight".