3938980 has 24 divisors (see below), whose sum is σ = 8632512. Its totient is φ = 1506912.

The previous prime is 3938971. The next prime is 3938981. The reversal of 3938980 is 898393.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3938981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3822 + ... + 4741.

It is an arithmetic number, because the mean of its divisors is an integer number (359688).

Almost surely, 2^3938980 is an apocalyptic number.

It is an amenable number.

3938980 is an abundant number, since it is smaller than the sum of its proper divisors (4693532).

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

3938980 is a wasteful number, since it uses less digits than its factorization.

3938980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8595 (or 8593 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 3938980 is about 1984.6863732086. The cubic root of 3938980 is about 157.9287720392.

The spelling of 3938980 in words is "three million, nine hundred thirty-eight thousand, nine hundred eighty".