38401472 has 28 divisors (see below), whose sum is σ = 76733400. Its totient is φ = 19067136.

The previous prime is 38401457. The next prime is 38401499. The reversal of 38401472 is 27410483.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 7523 + ... + 11549.

Almost surely, 2^38401472 is an apocalyptic number.

38401472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38401472 is a deficient number, since it is larger than the sum of its proper divisors (38331928).

38401472 is a wasteful number, since it uses less digits than its factorization.

38401472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188 (or 4178 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 38401472 is about 6196.8921242829. The cubic root of 38401472 is about 337.3773769437.

The spelling of 38401472 in words is "thirty-eight million, four hundred one thousand, four hundred seventy-two".