38823660 has 36 divisors (see below), whose sum is σ = 117765648. Its totient is φ = 10352928.

The previous prime is 38823647. The next prime is 38823661. The reversal of 38823660 is 6632883.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (38823661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107664 + ... + 108023.

It is an arithmetic number, because the mean of its divisors is an integer number (3271268).

Almost surely, 2^38823660 is an apocalyptic number.

38823660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38823660 is an abundant number, since it is smaller than the sum of its proper divisors (78941988).

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

38823660 is a wasteful number, since it uses less digits than its factorization.

38823660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215702 (or 215697 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 38823660 is about 6230.8635035603. The cubic root of 38823660 is about 338.6092555839.

The spelling of 38823660 in words is "thirty-eight million, eight hundred twenty-three thousand, six hundred sixty".