2398442765 has 16 divisors (see below), whose sum is σ = 2930753280. Its totient is φ = 1883943360.

The previous prime is 2398442747. The next prime is 2398442779. The reversal of 2398442765 is 5672448932.

It is not a de Polignac number, because 2398442765 - 2⁶ = 2398442701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54722 + ... + 88268.

It is an arithmetic number, because the mean of its divisors is an integer number (183172080).

Almost surely, 2^2398442765 is an apocalyptic number.

It is an amenable number.

2398442765 is a deficient number, since it is larger than the sum of its proper divisors (532310515).

2398442765 is a wasteful number, since it uses less digits than its factorization.

2398442765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33812.

The product of its digits is 2903040, while the sum is 50.

The square root of 2398442765 is about 48973.8988135517. The cubic root of 2398442765 is about 1338.5762640620.

The spelling of 2398442765 in words is "two billion, three hundred ninety-eight million, four hundred forty-two thousand, seven hundred sixty-five".