38625665 has 8 divisors (see below), whose sum is σ = 49916328. Its totient is φ = 28523520.

The previous prime is 38625661. The next prime is 38625673. The reversal of 38625665 is 56652683.

It can be written as a sum of positive squares in 4 ways, for example, as 4566769 + 34058896 = 2137^2 + 5836^2 .

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

It is not a de Polignac number, because 38625665 - 2² = 38625661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38625661) 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, 297056 + ... + 297185.

It is an arithmetic number, because the mean of its divisors is an integer number (6239541).

Almost surely, 2^38625665 is an apocalyptic number.

It is an amenable number.

38625665 is a deficient number, since it is larger than the sum of its proper divisors (11290663).

38625665 is a wasteful number, since it uses less digits than its factorization.

38625665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594259.

The product of its digits is 259200, while the sum is 41.

The square root of 38625665 is about 6214.9549475439. The cubic root of 38625665 is about 338.0326550152.

The spelling of 38625665 in words is "thirty-eight million, six hundred twenty-five thousand, six hundred sixty-five".