38502320 has 40 divisors (see below), whose sum is σ = 90046320. Its totient is φ = 15310080.

The previous prime is 38502319. The next prime is 38502349. The reversal of 38502320 is 2320583.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13151 + ... + 15809.

It is an arithmetic number, because the mean of its divisors is an integer number (2251158).

Almost surely, 2^38502320 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 38502320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45023160).

38502320 is an abundant number, since it is smaller than the sum of its proper divisors (51544000).

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

38502320 is a wasteful number, since it uses less digits than its factorization.

38502320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853 (or 2847 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 38502320 is about 6205.0237711068. The cubic root of 38502320 is about 337.6724532470.

The spelling of 38502320 in words is "thirty-eight million, five hundred two thousand, three hundred twenty".