38879040 has 56 divisors (see below), whose sum is σ = 123444000. Its totient is φ = 10367488.

The previous prime is 38879033. The next prime is 38879059. The reversal of 38879040 is 4097883.

It is a self number, because there is not a number n which added to its sum of digits gives 38879040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19290 + ... + 21209.

Almost surely, 2^38879040 is an apocalyptic number.

38879040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38879040 is an abundant number, since it is smaller than the sum of its proper divisors (84564960).

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

38879040 is a wasteful number, since it uses less digits than its factorization.

38879040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40519 (or 40509 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 38879040 is about 6235.3059267369. The cubic root of 38879040 is about 338.7701821193.

The spelling of 38879040 in words is "thirty-eight million, eight hundred seventy-nine thousand, forty".