2392729 has 2 divisors, whose sum is σ = 2392730. Its totient is φ = 2392728.

The previous prime is 2392717. The next prime is 2392751. The reversal of 2392729 is 9272932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2088025 + 304704 = 1445^2 + 552^2 .

It is a cyclic number.

It is not a de Polignac number, because 2392729 - 2⁵ = 2392697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2392694 and 2392703.

It is not a weakly prime, because it can be changed into another prime (2362729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1196364 + 1196365.

It is an arithmetic number, because the mean of its divisors is an integer number (1196365).

2^2392729 is an apocalyptic number.

It is an amenable number.

2392729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2392729 is an equidigital number, since it uses as much as digits as its factorization.

2392729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 34.

The square root of 2392729 is about 1546.8448532416. The cubic root of 2392729 is about 133.7512463855.

The spelling of 2392729 in words is "two million, three hundred ninety-two thousand, seven hundred twenty-nine".