38481900 has 36 divisors (see below), whose sum is σ = 111341832. Its totient is φ = 10261760.

The previous prime is 38481899. The next prime is 38481901. The reversal of 38481900 is 918483.

It is an interprime number because it is at equal distance from previous prime (38481899) and next prime (38481901).

It is a super-2 number, since 2×38481900² = 2961713255220000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (38481901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63837 + ... + 64436.

Almost surely, 2^38481900 is an apocalyptic number.

38481900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38481900 is an abundant number, since it is smaller than the sum of its proper divisors (72859932).

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

38481900 is a wasteful number, since it uses less digits than its factorization.

38481900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128290 (or 128283 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 38481900 is about 6203.3781119645. The cubic root of 38481900 is about 337.6127469675.

The spelling of 38481900 in words is "thirty-eight million, four hundred eighty-one thousand, nine hundred".