38684716 has 18 divisors (see below), whose sum is σ = 78751428. Its totient is φ = 16579080.

The previous prime is 38684687. The next prime is 38684719. The reversal of 38684716 is 61748683.

It is not an unprimeable number, because it can be changed into a prime (38684719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 98490 + ... + 98881.

Almost surely, 2^38684716 is an apocalyptic number.

It is an amenable number.

38684716 is an abundant number, since it is smaller than the sum of its proper divisors (40066712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38684716 is a wasteful number, since it uses less digits than its factorization.

38684716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197389 (or 197380 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 38684716 is about 6219.7038514707. The cubic root of 38684716 is about 338.2048289892.

The spelling of 38684716 in words is "thirty-eight million, six hundred eighty-four thousand, seven hundred sixteen".