2392945 has 4 divisors (see below), whose sum is σ = 2871540. Its totient is φ = 1914352.

The previous prime is 2392939. The next prime is 2392961. The reversal of 2392945 is 5492932.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1577536 + 815409 = 1256^2 + 903^2 .

It is a cyclic number.

It is not a de Polignac number, because 2392945 - 2⁹ = 2392433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2392945.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239290 + ... + 239299.

It is an arithmetic number, because the mean of its divisors is an integer number (717885).

2^2392945 is an apocalyptic number.

It is an amenable number.

2392945 is a deficient number, since it is larger than the sum of its proper divisors (478595).

2392945 is an equidigital number, since it uses as much as digits as its factorization.

2392945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478594.

The product of its digits is 19440, while the sum is 34.

The square root of 2392945 is about 1546.9146712085. The cubic root of 2392945 is about 133.7552709950.

The spelling of 2392945 in words is "two million, three hundred ninety-two thousand, nine hundred forty-five".