38867712 has 144 divisors (see below), whose sum is σ = 118470240. Its totient is φ = 11206656.

The previous prime is 38867701. The next prime is 38867753. The reversal of 38867712 is 21776883.

It is a super-2 number, since 2×38867712² = 3021398072229888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169614 + ... + 169842.

It is an arithmetic number, because the mean of its divisors is an integer number (822710).

Almost surely, 2^38867712 is an apocalyptic number.

38867712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38867712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59235120).

38867712 is an abundant number, since it is smaller than the sum of its proper divisors (79602528).

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

38867712 is a wasteful number, since it uses less digits than its factorization.

38867712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 264 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 38867712 is about 6234.3974849219. The cubic root of 38867712 is about 338.7372769739.

The spelling of 38867712 in words is "thirty-eight million, eight hundred sixty-seven thousand, seven hundred twelve".