38640876 has 48 divisors (see below), whose sum is σ = 95823840. Its totient is φ = 12096000.

The previous prime is 38640857. The next prime is 38640907. The reversal of 38640876 is 67804683.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11376 + ... + 14376.

It is an arithmetic number, because the mean of its divisors is an integer number (1996330).

Almost surely, 2^38640876 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 38640876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47911920).

38640876 is an abundant number, since it is smaller than the sum of its proper divisors (57182964).

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

38640876 is a wasteful number, since it uses less digits than its factorization.

38640876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074 (or 3072 counting only the distinct ones).

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

The square root of 38640876 is about 6216.1785688637. The cubic root of 38640876 is about 338.0770222333.

The spelling of 38640876 in words is "thirty-eight million, six hundred forty thousand, eight hundred seventy-six".