38255790 has 16 divisors (see below), whose sum is σ = 91813968. Its totient is φ = 10201536.

The previous prime is 38255783. The next prime is 38255807. The reversal of 38255790 is 9755283.

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, 637567 + ... + 637626.

It is an arithmetic number, because the mean of its divisors is an integer number (5738373).

Almost surely, 2^38255790 is an apocalyptic number.

38255790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38255790 is an abundant number, since it is smaller than the sum of its proper divisors (53558178).

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

38255790 is a wasteful number, since it uses less digits than its factorization.

38255790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275203.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 38255790 is about 6185.1265144700. The cubic root of 38255790 is about 336.9502049952.

The spelling of 38255790 in words is "thirty-eight million, two hundred fifty-five thousand, seven hundred ninety".