2399371 has 4 divisors (see below), whose sum is σ = 2583952. Its totient is φ = 2214792.

The previous prime is 2399359. The next prime is 2399381. The reversal of 2399371 is 1739932.

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-2399371 is a prime.

It is a Duffinian number.

2399371 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2399381) 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, 92271 + ... + 92296.

It is an arithmetic number, because the mean of its divisors is an integer number (645988).

2^2399371 is an apocalyptic number.

2399371 is a deficient number, since it is larger than the sum of its proper divisors (184581).

2399371 is a wasteful number, since it uses less digits than its factorization.

2399371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184580.

The product of its digits is 10206, while the sum is 34.

The square root of 2399371 is about 1548.9903163028. The cubic root of 2399371 is about 133.8748925132.

The spelling of 2399371 in words is "two million, three hundred ninety-nine thousand, three hundred seventy-one".