3976449927 has 16 divisors (see below), whose sum is σ = 5562017280. Its totient is φ = 2523500000.

The previous prime is 3976449877. The next prime is 3976449931. The reversal of 3976449927 is 7299446793.

It is a cyclic number.

It is not a de Polignac number, because 3976449927 - 2⁸ = 3976449671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3976449947) 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, 315699 + ... + 328052.

It is an arithmetic number, because the mean of its divisors is an integer number (347626080).

Almost surely, 2^3976449927 is an apocalyptic number.

3976449927 is a deficient number, since it is larger than the sum of its proper divisors (1585567353).

3976449927 is a wasteful number, since it uses less digits than its factorization.

3976449927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643854.

The product of its digits is 20575296, while the sum is 60.

The square root of 3976449927 is about 63059.0986852809. The cubic root of 3976449927 is about 1584.2796339068.

The spelling of 3976449927 in words is "three billion, nine hundred seventy-six million, four hundred forty-nine thousand, nine hundred twenty-seven".