38919960 has 64 divisors (see below), whose sum is σ = 129736800. Its totient is φ = 10378368.

The previous prime is 38919949. The next prime is 38919971. The reversal of 38919960 is 6991983.

38919960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38919949) and next prime (38919971).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16939 + ... + 19098.

Almost surely, 2^38919960 is an apocalyptic number.

38919960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38919960 is an abundant number, since it is smaller than the sum of its proper divisors (90816840).

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

38919960 is a wasteful number, since it uses less digits than its factorization.

38919960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36057 (or 36047 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 38919960 is about 6238.5863783392. The cubic root of 38919960 is about 338.8889917684. Note that the first 3 decimals are identical.

The spelling of 38919960 in words is "thirty-eight million, nine hundred nineteen thousand, nine hundred sixty".