38428894 has 8 divisors (see below), whose sum is σ = 65878128. Its totient is φ = 16469520.

The previous prime is 38428877. The next prime is 38428909. The reversal of 38428894 is 49882483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1372447 + ... + 1372474.

It is an arithmetic number, because the mean of its divisors is an integer number (8234766).

Almost surely, 2^38428894 is an apocalyptic number.

38428894 is a deficient number, since it is larger than the sum of its proper divisors (27449234).

38428894 is a wasteful number, since it uses less digits than its factorization.

38428894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744930.

The product of its digits is 442368, while the sum is 46.

The square root of 38428894 is about 6199.1042901374. The cubic root of 38428894 is about 337.4576634595.

The spelling of 38428894 in words is "thirty-eight million, four hundred twenty-eight thousand, eight hundred ninety-four".