3976397772 has 48 divisors (see below), whose sum is σ = 9376456320. Its totient is φ = 1311469312.

The previous prime is 3976397743. The next prime is 3976397773. The reversal of 3976397772 is 2777936793.

It is not an unprimeable number, because it can be changed into a prime (3976397773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522804 + ... + 1525412.

It is an arithmetic number, because the mean of its divisors is an integer number (195342840).

Almost surely, 2^3976397772 is an apocalyptic number.

It is an amenable number.

3976397772 is an abundant number, since it is smaller than the sum of its proper divisors (5400058548).

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

3976397772 is a wasteful number, since it uses less digits than its factorization.

3976397772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3910 (or 3908 counting only the distinct ones).

The product of its digits is 21003948, while the sum is 60.

The square root of 3976397772 is about 63058.6851432854. The cubic root of 3976397772 is about 1584.2727074215.

The spelling of 3976397772 in words is "three billion, nine hundred seventy-six million, three hundred ninety-seven thousand, seven hundred seventy-two".