38642494 has 16 divisors (see below), whose sum is σ = 63699696. Its totient is φ = 17435200.

The previous prime is 38642473. The next prime is 38642501. The reversal of 38642494 is 49424683.

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, 3397 + ... + 9424.

It is an arithmetic number, because the mean of its divisors is an integer number (3981231).

Almost surely, 2^38642494 is an apocalyptic number.

38642494 is a deficient number, since it is larger than the sum of its proper divisors (25057202).

38642494 is a wasteful number, since it uses less digits than its factorization.

38642494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12971.

The product of its digits is 165888, while the sum is 40.

The square root of 38642494 is about 6216.3087117678. The cubic root of 38642494 is about 338.0817409064.

The spelling of 38642494 in words is "thirty-eight million, six hundred forty-two thousand, four hundred ninety-four".