39481320 has 64 divisors (see below), whose sum is σ = 120093120. Its totient is φ = 10381824.

The previous prime is 39481307. The next prime is 39481333. The reversal of 39481320 is 2318493.

It is an interprime number because it is at equal distance from previous prime (39481307) and next prime (39481333).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6507 + ... + 11013.

It is an arithmetic number, because the mean of its divisors is an integer number (1876455).

Almost surely, 2^39481320 is an apocalyptic number.

39481320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39481320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60046560).

39481320 is an abundant number, since it is smaller than the sum of its proper divisors (80611800).

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

39481320 is a wasteful number, since it uses less digits than its factorization.

39481320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594 (or 4590 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 39481320 is about 6283.4162682413. The cubic root of 39481320 is about 340.5105363513.

The spelling of 39481320 in words is "thirty-nine million, four hundred eighty-one thousand, three hundred twenty".