3977297 has 4 divisors (see below), whose sum is σ = 4014576. Its totient is φ = 3940020.

The previous prime is 3977293. The next prime is 3977317. The reversal of 3977297 is 7927793.

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 3977297 - 2² = 3977293 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3977293) 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, 18479 + ... + 18692.

It is an arithmetic number, because the mean of its divisors is an integer number (1003644).

Almost surely, 2^3977297 is an apocalyptic number.

It is an amenable number.

3977297 is a deficient number, since it is larger than the sum of its proper divisors (37279).

3977297 is a wasteful number, since it uses less digits than its factorization.

3977297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37278.

The product of its digits is 166698, while the sum is 44.

The square root of 3977297 is about 1994.3161735292. The cubic root of 3977297 is about 158.4392121615.

The spelling of 3977297 in words is "three million, nine hundred seventy-seven thousand, two hundred ninety-seven".