38864880 has 160 divisors (see below), whose sum is σ = 141062400. Its totient is φ = 9808128.

The previous prime is 38864809. The next prime is 38864909. The reversal of 38864880 is 8846883.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40567 + ... + 41513.

It is an arithmetic number, because the mean of its divisors is an integer number (881640).

Almost surely, 2^38864880 is an apocalyptic number.

38864880 is a gapful number since it is divisible by the number (30) 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 38864880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70531200).

38864880 is an abundant number, since it is smaller than the sum of its proper divisors (102197520).

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

38864880 is a wasteful number, since it uses less digits than its factorization.

38864880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 976 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 38864880 is about 6234.1703537841. The cubic root of 38864880 is about 338.7290496886.

The spelling of 38864880 in words is "thirty-eight million, eight hundred sixty-four thousand, eight hundred eighty".