4315640 has 32 divisors (see below), whose sum is σ = 11098080. Its totient is φ = 1479552.

The previous prime is 4315607. The next prime is 4315709. The reversal of 4315640 is 465134.

It is a happy 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, 7427 + ... + 7986.

It is an arithmetic number, because the mean of its divisors is an integer number (346815).

Almost surely, 2^4315640 is an apocalyptic number.

4315640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4315640 is an abundant number, since it is smaller than the sum of its proper divisors (6782440).

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

4315640 is a wasteful number, since it uses less digits than its factorization.

4315640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15431 (or 15427 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4315640 is about 2077.4118513188. The cubic root of 4315640 is about 162.8102475303.

The spelling of 4315640 in words is "four million, three hundred fifteen thousand, six hundred forty".