39481308 has 18 divisors (see below), whose sum is σ = 99800064. Its totient is φ = 13160424.

The previous prime is 39481307. The next prime is 39481333. The reversal of 39481308 is 80318493.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1096703 = 39481308 / (3 + 9 + 4 + 8 + 1 + 3 + 0 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39481307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 548316 + ... + 548387.

It is an arithmetic number, because the mean of its divisors is an integer number (5544448).

Almost surely, 2^39481308 is an apocalyptic number.

It is an amenable number.

39481308 is an abundant number, since it is smaller than the sum of its proper divisors (60318756).

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

39481308 is a wasteful number, since it uses less digits than its factorization.

39481308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096713 (or 1096708 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 39481308 is about 6283.4153133467. The cubic root of 39481308 is about 340.5105018529.

The spelling of 39481308 in words is "thirty-nine million, four hundred eighty-one thousand, three hundred eight".