39929364 has 72 divisors (see below), whose sum is σ = 107115008. Its totient is φ = 12519360.

The previous prime is 39929363. The next prime is 39929369. The reversal of 39929364 is 46392993.

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 (39929363) 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, 40809 + ... + 41775.

Almost surely, 2^39929364 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 39929364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53557504).

39929364 is an abundant number, since it is smaller than the sum of its proper divisors (67185644).

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

39929364 is a wasteful number, since it uses less digits than its factorization.

39929364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1040 counting only the distinct ones).

The product of its digits is 314928, while the sum is 45.

The square root of 39929364 is about 6318.9685867236. The cubic root of 39929364 is about 341.7937609530.

Subtracting from 39929364 its product of digits (314928), we obtain a square (39614436 = 6294²).

The spelling of 39929364 in words is "thirty-nine million, nine hundred twenty-nine thousand, three hundred sixty-four".