38864251 has 8 divisors (see below), whose sum is σ = 39659264. Its totient is φ = 38076480.

The previous prime is 38864249. The next prime is 38864257. The reversal of 38864251 is 15246883.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 38864251 - 2¹ = 38864249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38864251.

It is not an unprimeable number, because it can be changed into a prime (38864257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9766 + ... + 13156.

It is an arithmetic number, because the mean of its divisors is an integer number (4957408).

Almost surely, 2^38864251 is an apocalyptic number.

38864251 is a deficient number, since it is larger than the sum of its proper divisors (795013).

38864251 is a wasteful number, since it uses less digits than its factorization.

38864251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3621.

The product of its digits is 46080, while the sum is 37.

The square root of 38864251 is about 6234.1199058087. The cubic root of 38864251 is about 338.7272223171.

The spelling of 38864251 in words is "thirty-eight million, eight hundred sixty-four thousand, two hundred fifty-one".