38357728 has 12 divisors (see below), whose sum is σ = 75516840. Its totient is φ = 19178848.

The previous prime is 38357719. The next prime is 38357741. The reversal of 38357728 is 82775383.

It is a hoax number, since the sum of its digits (43) 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 as a sum of consecutive naturals, namely, 599308 + ... + 599371.

It is an arithmetic number, because the mean of its divisors is an integer number (6293070).

Almost surely, 2^38357728 is an apocalyptic number.

It is an amenable number.

38357728 is a deficient number, since it is larger than the sum of its proper divisors (37159112).

38357728 is a wasteful number, since it uses less digits than its factorization.

38357728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198689 (or 1198681 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 38357728 is about 6193.3616073987. The cubic root of 38357728 is about 337.2492234939.

The spelling of 38357728 in words is "thirty-eight million, three hundred fifty-seven thousand, seven hundred twenty-eight".