38774390 has 16 divisors (see below), whose sum is σ = 71417808. Its totient is φ = 15148896.

The previous prime is 38774381. The next prime is 38774431. The reversal of 38774390 is 9347783.

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, 44657 + ... + 45516.

It is an arithmetic number, because the mean of its divisors is an integer number (4463613).

Almost surely, 2^38774390 is an apocalyptic number.

38774390 is a deficient number, since it is larger than the sum of its proper divisors (32643418).

38774390 is a wasteful number, since it uses less digits than its factorization.

38774390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90223.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 38774390 is about 6226.9085427682. The cubic root of 38774390 is about 338.4659551633.

The spelling of 38774390 in words is "thirty-eight million, seven hundred seventy-four thousand, three hundred ninety".