39261872 has 40 divisors (see below), whose sum is σ = 84577920. Its totient is φ = 17533440.

The previous prime is 39261869. The next prime is 39261877. The reversal of 39261872 is 27816293.

It is not an unprimeable number, because it can be changed into a prime (39261877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3404 + ... + 9492.

It is an arithmetic number, because the mean of its divisors is an integer number (2114448).

Almost surely, 2^39261872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39261872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42288960).

39261872 is an abundant number, since it is smaller than the sum of its proper divisors (45316048).

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

39261872 is a wasteful number, since it uses less digits than its factorization.

39261872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6141 (or 6135 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 39261872 is about 6265.9294601839. The cubic root of 39261872 is about 339.8784802174.

The spelling of 39261872 in words is "thirty-nine million, two hundred sixty-one thousand, eight hundred seventy-two".