38840494 has 32 divisors (see below), whose sum is σ = 73094400. Its totient is φ = 15037440.

The previous prime is 38840447. The next prime is 38840513. The reversal of 38840494 is 49404883.

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 15 ways as a sum of consecutive naturals, for example, 26862 + ... + 28270.

It is an arithmetic number, because the mean of its divisors is an integer number (2284200).

Almost surely, 2^38840494 is an apocalyptic number.

38840494 is a deficient number, since it is larger than the sum of its proper divisors (34253906).

38840494 is a wasteful number, since it uses less digits than its factorization.

38840494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 38840494 is about 6232.2142132632. The cubic root of 38840494 is about 338.6581890139.

The spelling of 38840494 in words is "thirty-eight million, eight hundred forty thousand, four hundred ninety-four".