2392861 has 2 divisors, whose sum is σ = 2392862. Its totient is φ = 2392860.

The previous prime is 2392849. The next prime is 2392891. The reversal of 2392861 is 1682932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1976836 + 416025 = 1406^2 + 645^2 .

It is a cyclic number.

It is not a de Polignac number, because 2392861 - 2⁹ = 2392349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2392811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1196430 + 1196431.

It is an arithmetic number, because the mean of its divisors is an integer number (1196431).

2^2392861 is an apocalyptic number.

It is an amenable number.

2392861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2392861 is an equidigital number, since it uses as much as digits as its factorization.

2392861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 2392861 is about 1546.8875201514. The cubic root of 2392861 is about 133.7537058978.

The spelling of 2392861 in words is "two million, three hundred ninety-two thousand, eight hundred sixty-one".