38385790 has 16 divisors (see below), whose sum is σ = 69387840. Its totient is φ = 15289120.

The previous prime is 38385773. The next prime is 38385839. The reversal of 38385790 is 9758383.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5641 + ... + 10420.

It is an arithmetic number, because the mean of its divisors is an integer number (4336740).

Almost surely, 2^38385790 is an apocalyptic number.

38385790 is a deficient number, since it is larger than the sum of its proper divisors (31002050).

38385790 is a wasteful number, since it uses less digits than its factorization.

38385790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16307.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 38385790 is about 6195.6266833953. The cubic root of 38385790 is about 337.3314457844.

The spelling of 38385790 in words is "thirty-eight million, three hundred eighty-five thousand, seven hundred ninety".