2391299 has 4 divisors (see below), whose sum is σ = 2398320. Its totient is φ = 2384280.

The previous prime is 2391293. The next prime is 2391331. The reversal of 2391299 is 9921932.

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

It is a cyclic number.

It is not a de Polignac number, because 2391299 - 2⁸ = 2391043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2391293) 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, 2972 + ... + 3689.

It is an arithmetic number, because the mean of its divisors is an integer number (599580).

2^2391299 is an apocalyptic number.

2391299 is a deficient number, since it is larger than the sum of its proper divisors (7021).

2391299 is an equidigital number, since it uses as much as digits as its factorization.

2391299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7020.

The product of its digits is 8748, while the sum is 35.

The square root of 2391299 is about 1546.3825529280. The cubic root of 2391299 is about 133.7245958680.

The spelling of 2391299 in words is "two million, three hundred ninety-one thousand, two hundred ninety-nine".