34640361 has 24 divisors (see below), whose sum is σ = 59032064. Its totient is φ = 19154880.

The previous prime is 34640357. The next prime is 34640381. The reversal of 34640361 is 16304643.

It is not a de Polignac number, because 34640361 - 2² = 34640357 is a prime.

It is a super-2 number, since 2×34640361² = 2399909220420642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34640381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6916 + ... + 10821.

Almost surely, 2^34640361 is an apocalyptic number.

34640361 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

34640361 is a deficient number, since it is larger than the sum of its proper divisors (24391703).

34640361 is a wasteful number, since it uses less digits than its factorization.

34640361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17781 (or 17778 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 34640361 is about 5885.6062559434. The cubic root of 34640361 is about 325.9823876718.

The spelling of 34640361 in words is "thirty-four million, six hundred forty thousand, three hundred sixty-one".