38490056 has 16 divisors (see below), whose sum is σ = 78729840. Its totient is φ = 17495440.

The previous prime is 38490043. The next prime is 38490077. The reversal of 38490056 is 65009483.

38490056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38489998 and 38490025.

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, 218606 + ... + 218781.

It is an arithmetic number, because the mean of its divisors is an integer number (4920615).

Almost surely, 2^38490056 is an apocalyptic number.

It is an amenable number.

38490056 is an abundant number, since it is smaller than the sum of its proper divisors (40239784).

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

38490056 is a wasteful number, since it uses less digits than its factorization.

38490056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437404 (or 437400 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 38490056 is about 6204.0354608916. The cubic root of 38490056 is about 337.6365969251.

It can be divided in two parts, 38 and 490056, that added together give a palindrome (490094).

The spelling of 38490056 in words is "thirty-eight million, four hundred ninety thousand, fifty-six".