39403364 has 72 divisors (see below), whose sum is σ = 93215808. Its totient is φ = 14152320.

The previous prime is 39403361. The next prime is 39403369. The reversal of 39403364 is 46330493.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 39403364.

It is not an unprimeable number, because it can be changed into a prime (39403361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51674 + ... + 52430.

It is an arithmetic number, because the mean of its divisors is an integer number (1294664).

Almost surely, 2^39403364 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 39403364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46607904).

39403364 is an abundant number, since it is smaller than the sum of its proper divisors (53812444).

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

39403364 is a wasteful number, since it uses less digits than its factorization.

39403364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 39403364 is about 6277.2098897520. The cubic root of 39403364 is about 340.2862756163.

The spelling of 39403364 in words is "thirty-nine million, four hundred three thousand, three hundred sixty-four".