38893040 has 20 divisors (see below), whose sum is σ = 90426504. Its totient is φ = 15557184.

The previous prime is 38893033. The next prime is 38893061. The reversal of 38893040 is 4039883.

38893040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 243002 + ... + 243161.

Almost surely, 2^38893040 is an apocalyptic number.

It is an amenable number.

38893040 is an abundant number, since it is smaller than the sum of its proper divisors (51533464).

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

38893040 is a wasteful number, since it uses less digits than its factorization.

38893040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486176 (or 486170 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 38893040 is about 6236.4284650752. The cubic root of 38893040 is about 338.8108399595.

The spelling of 38893040 in words is "thirty-eight million, eight hundred ninety-three thousand, forty".