3977313 has 4 divisors (see below), whose sum is σ = 5303088. Its totient is φ = 2651540.

The previous prime is 3977293. The next prime is 3977317. The reversal of 3977313 is 3137793.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3977313 - 2⁹ = 3976801 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3977317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662883 + ... + 662888.

It is an arithmetic number, because the mean of its divisors is an integer number (1325772).

Almost surely, 2^3977313 is an apocalyptic number.

It is an amenable number.

3977313 is a deficient number, since it is larger than the sum of its proper divisors (1325775).

3977313 is a wasteful number, since it uses less digits than its factorization.

3977313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325774.

The product of its digits is 11907, while the sum is 33.

The square root of 3977313 is about 1994.3201849252. The cubic root of 3977313 is about 158.4394246194.

The spelling of 3977313 in words is "three million, nine hundred seventy-seven thousand, three hundred thirteen".