39948912 has 60 divisors (see below), whose sum is σ = 118385280. Its totient is φ = 12532224.

The previous prime is 39948901. The next prime is 39948913. The reversal of 39948912 is 21984993.

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 (39948913) 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, 5712 + ... + 10607.

It is an arithmetic number, because the mean of its divisors is an integer number (1973088).

Almost surely, 2^39948912 is an apocalyptic number.

It is an amenable number.

39948912 is an abundant number, since it is smaller than the sum of its proper divisors (78436368).

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

39948912 is a wasteful number, since it uses less digits than its factorization.

39948912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16350 (or 16341 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 39948912 is about 6320.5151688767. The cubic root of 39948912 is about 341.8495285531.

The spelling of 39948912 in words is "thirty-nine million, nine hundred forty-eight thousand, nine hundred twelve".