3976739 has 6 divisors (see below), whose sum is σ = 4306356. Its totient is φ = 3670680.

The previous prime is 3976733. The next prime is 3976783. The reversal of 3976739 is 9376793.

It is not a de Polignac number, because 3976739 - 2¹² = 3972643 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 3976739.

It is not an unprimeable number, because it can be changed into a prime (3976733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11597 + ... + 11934.

It is an arithmetic number, because the mean of its divisors is an integer number (717726).

Almost surely, 2^3976739 is an apocalyptic number.

3976739 is a deficient number, since it is larger than the sum of its proper divisors (329617).

3976739 is a wasteful number, since it uses less digits than its factorization.

3976739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23557 (or 23544 counting only the distinct ones).

The product of its digits is 214326, while the sum is 44.

The square root of 3976739 is about 1994.1762710453. The cubic root of 3976739 is about 158.4318023373.

The spelling of 3976739 in words is "three million, nine hundred seventy-six thousand, seven hundred thirty-nine".