39913272 has 48 divisors (see below), whose sum is σ = 123542640. Its totient is φ = 11403648.

The previous prime is 39913271. The next prime is 39913273. The reversal of 39913272 is 27231993.

It is an interprime number because it is at equal distance from previous prime (39913271) and next prime (39913273).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39913271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39093 + ... + 40100.

It is an arithmetic number, because the mean of its divisors is an integer number (2573805).

Almost surely, 2^39913272 is an apocalyptic number.

It is an amenable number.

39913272 is an abundant number, since it is smaller than the sum of its proper divisors (83629368).

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

39913272 is a wasteful number, since it uses less digits than its factorization.

39913272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79212 (or 79205 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 39913272 is about 6317.6951493405. The cubic root of 39913272 is about 341.7478391577.

The spelling of 39913272 in words is "thirty-nine million, nine hundred thirteen thousand, two hundred seventy-two".