39648315 has 32 divisors (see below), whose sum is σ = 73198080. Its totient is φ = 17950464.

The previous prime is 39648299. The next prime is 39648331. The reversal of 39648315 is 51384693.

It is an interprime number because it is at equal distance from previous prime (39648299) and next prime (39648331).

It is not a de Polignac number, because 39648315 - 2⁴ = 39648299 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9471 + ... + 12999.

It is an arithmetic number, because the mean of its divisors is an integer number (2287440).

Almost surely, 2^39648315 is an apocalyptic number.

39648315 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

39648315 is a deficient number, since it is larger than the sum of its proper divisors (33549765).

39648315 is a wasteful number, since it uses less digits than its factorization.

39648315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651.

The product of its digits is 77760, while the sum is 39.

The square root of 39648315 is about 6296.6907975539. The cubic root of 39648315 is about 340.9899493373.

The spelling of 39648315 in words is "thirty-nine million, six hundred forty-eight thousand, three hundred fifteen".