38239280 has 20 divisors (see below), whose sum is σ = 88906512. Its totient is φ = 15295680.

The previous prime is 38239237. The next prime is 38239291. The reversal of 38239280 is 8293283.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 38239280.

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, 238916 + ... + 239075.

Almost surely, 2^38239280 is an apocalyptic number.

It is an amenable number.

38239280 is an abundant number, since it is smaller than the sum of its proper divisors (50667232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38239280 is a wasteful number, since it uses less digits than its factorization.

38239280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478004 (or 477998 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 38239280 is about 6183.7917170616. The cubic root of 38239280 is about 336.9017256378.

The spelling of 38239280 in words is "thirty-eight million, two hundred thirty-nine thousand, two hundred eighty".