2997399 has 4 divisors (see below), whose sum is σ = 3996536. Its totient is φ = 1998264.

The previous prime is 2997373. The next prime is 2997409. The reversal of 2997399 is 9937992.

It is a happy number.

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

It is not a de Polignac number, because 2997399 - 2⁷ = 2997271 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2997329) 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, 499564 + ... + 499569.

It is an arithmetic number, because the mean of its divisors is an integer number (999134).

2^2997399 is an apocalyptic number.

2997399 is a deficient number, since it is larger than the sum of its proper divisors (999137).

2997399 is an equidigital number, since it uses as much as digits as its factorization.

2997399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999136.

The product of its digits is 275562, while the sum is 48.

The square root of 2997399 is about 1731.2998007278. The cubic root of 2997399 is about 144.1832639665.

Adding to 2997399 its product of digits (275562), we get a triangular number (3272961 = T₂₅₅₈).

The spelling of 2997399 in words is "two million, nine hundred ninety-seven thousand, three hundred ninety-nine".