38684895 has 8 divisors (see below), whose sum is σ = 61895856. Its totient is φ = 20631936.

The previous prime is 38684881. The next prime is 38684897. The reversal of 38684895 is 59848683.

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

It is not a de Polignac number, because 38684895 - 2⁹ = 38684383 is a prime.

It is a super-2 number, since 2×38684895² = 2993042202322050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38684897) 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, 1289482 + ... + 1289511.

It is an arithmetic number, because the mean of its divisors is an integer number (7736982).

Almost surely, 2^38684895 is an apocalyptic number.

38684895 is a deficient number, since it is larger than the sum of its proper divisors (23210961).

38684895 is a wasteful number, since it uses less digits than its factorization.

38684895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579001.

The product of its digits is 1658880, while the sum is 51.

The square root of 38684895 is about 6219.7182412068. The cubic root of 38684895 is about 338.2053506299.

The spelling of 38684895 in words is "thirty-eight million, six hundred eighty-four thousand, eight hundred ninety-five".