38990048 has 24 divisors (see below), whose sum is σ = 77216328. Its totient is φ = 19379584.

The previous prime is 38990011. The next prime is 38990059. The reversal of 38990048 is 84009983.

It is a junction number, because it is equal to n+sod(n) for n = 38989987 and 38990014.

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 3 ways as a sum of consecutive naturals, for example, 2015 + ... + 9057.

It is an arithmetic number, because the mean of its divisors is an integer number (3217347).

Almost surely, 2^38990048 is an apocalyptic number.

It is an amenable number.

38990048 is a deficient number, since it is larger than the sum of its proper divisors (38226280).

38990048 is a wasteful number, since it uses less digits than its factorization.

38990048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7226 (or 7218 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 38990048 is about 6244.2011498670. The cubic root of 38990048 is about 339.0922962609.

The spelling of 38990048 in words is "thirty-eight million, nine hundred ninety thousand, forty-eight".