39930275 has 24 divisors (see below), whose sum is σ = 61734144. Its totient is φ = 24890400.

The previous prime is 39930259. The next prime is 39930287. The reversal of 39930275 is 57203993.

It is not a de Polignac number, because 39930275 - 2⁴ = 39930259 is a prime.

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 8447 + ... + 12296.

It is an arithmetic number, because the mean of its divisors is an integer number (2572256).

Almost surely, 2^39930275 is an apocalyptic number.

39930275 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

39930275 is a deficient number, since it is larger than the sum of its proper divisors (21803869).

39930275 is a wasteful number, since it uses less digits than its factorization.

39930275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20771 (or 20766 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 39930275 is about 6319.0406708614. The cubic root of 39930275 is about 341.7963603078.

The spelling of 39930275 in words is "thirty-nine million, nine hundred thirty thousand, two hundred seventy-five".