3997379 has 4 divisors (see below), whose sum is σ = 4006584. Its totient is φ = 3988176.

The previous prime is 3997361. The next prime is 3997381. The reversal of 3997379 is 9737993.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3997379 is a prime.

It is an Ulam number.

It is a pancake number, because a pancake can be divided into 3997379 parts by 2827 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3997319) 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, 3917 + ... + 4830.

It is an arithmetic number, because the mean of its divisors is an integer number (1001646).

Almost surely, 2^3997379 is an apocalyptic number.

3997379 is a deficient number, since it is larger than the sum of its proper divisors (9205).

3997379 is an equidigital number, since it uses as much as digits as its factorization.

3997379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9204.

The product of its digits is 321489, while the sum is 47.

The square root of 3997379 is about 1999.3446426267. The cubic root of 3997379 is about 158.7054261366.

The spelling of 3997379 in words is "three million, nine hundred ninety-seven thousand, three hundred seventy-nine".