38078664 has 96 divisors (see below), whose sum is σ = 106767360. Its totient is φ = 11249280.

The previous prime is 38078629. The next prime is 38078669. The reversal of 38078664 is 46687083.

It is not an unprimeable number, because it can be changed into a prime (38078669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299769 + ... + 299895.

It is an arithmetic number, because the mean of its divisors is an integer number (1112160).

Almost surely, 2^38078664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38078664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53383680).

38078664 is an abundant number, since it is smaller than the sum of its proper divisors (68688696).

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

38078664 is a wasteful number, since it uses less digits than its factorization.

38078664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 38078664 is about 6170.7911972453. The cubic root of 38078664 is about 336.4293688833.

The spelling of 38078664 in words is "thirty-eight million, seventy-eight thousand, six hundred sixty-four".