38925869 has 8 divisors (see below), whose sum is σ = 41892408. Its totient is φ = 36034560.

The previous prime is 38925857. The next prime is 38925883. The reversal of 38925869 is 96852983.

It can be written as a sum of positive squares in 4 ways, for example, as 1532644 + 37393225 = 1238^2 + 6115^2 .

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

It is not a de Polignac number, because 38925869 - 2⁴ = 38925853 is a prime.

It is a super-2 number, since 2×38925869² = 3030446554810322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38925839) 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, 17732 + ... + 19805.

It is an arithmetic number, because the mean of its divisors is an integer number (5236551).

Almost surely, 2^38925869 is an apocalyptic number.

It is an amenable number.

38925869 is a deficient number, since it is larger than the sum of its proper divisors (2966539).

38925869 is a wasteful number, since it uses less digits than its factorization.

38925869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37615.

The product of its digits is 933120, while the sum is 50.

The square root of 38925869 is about 6239.0599452161. The cubic root of 38925869 is about 338.9061414410.

The spelling of 38925869 in words is "thirty-eight million, nine hundred twenty-five thousand, eight hundred sixty-nine".