38946865 has 8 divisors (see below), whose sum is σ = 49196160. Its totient is φ = 29517552.

The previous prime is 38946857. The next prime is 38946871. The reversal of 38946865 is 56864983.

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 38946865 - 2³ = 38946857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204889 + ... + 205078.

It is an arithmetic number, because the mean of its divisors is an integer number (6149520).

Almost surely, 2^38946865 is an apocalyptic number.

It is an amenable number.

38946865 is a deficient number, since it is larger than the sum of its proper divisors (10249295).

38946865 is a wasteful number, since it uses less digits than its factorization.

38946865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409991.

The product of its digits is 1244160, while the sum is 49.

The square root of 38946865 is about 6240.7423436639. The cubic root of 38946865 is about 338.9670640319.

The spelling of 38946865 in words is "thirty-eight million, nine hundred forty-six thousand, eight hundred sixty-five".