39249364 has 72 divisors (see below), whose sum is σ = 90635328. Its totient is φ = 14446080.

The previous prime is 39249361. The next prime is 39249373. The reversal of 39249364 is 46394293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39249361) 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, 111012 + ... + 111364.

It is an arithmetic number, because the mean of its divisors is an integer number (1258824).

Almost surely, 2^39249364 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 39249364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45317664).

39249364 is an abundant number, since it is smaller than the sum of its proper divisors (51385964).

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

39249364 is a wasteful number, since it uses less digits than its factorization.

39249364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 392 counting only the distinct ones).

The product of its digits is 139968, while the sum is 40.

The square root of 39249364 is about 6264.9312845394. The cubic root of 39249364 is about 339.8423836913.

Subtracting 39249364 from its reverse (46394293), we obtain a square (7144929 = 2673²).

The spelling of 39249364 in words is "thirty-nine million, two hundred forty-nine thousand, three hundred sixty-four".