38481808 has 20 divisors (see below), whose sum is σ = 75299868. Its totient is φ = 19049600.

The previous prime is 38481803. The next prime is 38481853. The reversal of 38481808 is 80818483.

It can be written as a sum of positive squares in 2 ways, for example, as 30118144 + 8363664 = 5488^2 + 2892^2 .

It is not an unprimeable number, because it can be changed into a prime (38481803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10291 + ... + 13522.

Almost surely, 2^38481808 is an apocalyptic number.

It is an amenable number.

38481808 is a deficient number, since it is larger than the sum of its proper divisors (36818060).

38481808 is a wasteful number, since it uses less digits than its factorization.

38481808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23922 (or 23916 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 38481808 is about 6203.3706966455. The cubic root of 38481808 is about 337.6124779198.

The spelling of 38481808 in words is "thirty-eight million, four hundred eighty-one thousand, eight hundred eight".