38828664 has 48 divisors (see below), whose sum is σ = 120185520. Its totient is φ = 11093760.

The previous prime is 38828659. The next prime is 38828683. The reversal of 38828664 is 46682883.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38017 + ... + 39024.

It is an arithmetic number, because the mean of its divisors is an integer number (2503865).

Almost surely, 2^38828664 is an apocalyptic number.

It is an amenable number.

38828664 is an abundant number, since it is smaller than the sum of its proper divisors (81356856).

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

38828664 is a wasteful number, since it uses less digits than its factorization.

38828664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77060 (or 77053 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 38828664 is about 6231.2650401022. The cubic root of 38828664 is about 338.6238027949.

The spelling of 38828664 in words is "thirty-eight million, eight hundred twenty-eight thousand, six hundred sixty-four".