2389997436 has 48 divisors (see below), whose sum is σ = 5823170304. Its totient is φ = 761498496.

The previous prime is 2389997419. The next prime is 2389997437. The reversal of 2389997436 is 6347999832.

Its product of digits (17635968) is a multiple of the sum of its prime divisors (6048).

It is a self number, because there is not a number n which added to its sum of digits gives 2389997436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389997437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654231 + ... + 657873.

It is an arithmetic number, because the mean of its divisors is an integer number (121316048).

Almost surely, 2^2389997436 is an apocalyptic number.

It is an amenable number.

2389997436 is an abundant number, since it is smaller than the sum of its proper divisors (3433172868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2389997436 is a wasteful number, since it uses less digits than its factorization.

2389997436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6050 (or 6048 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 60.

The square root of 2389997436 is about 48887.6000229097. The cubic root of 2389997436 is about 1337.0032973937.

The spelling of 2389997436 in words is "two billion, three hundred eighty-nine million, nine hundred ninety-seven thousand, four hundred thirty-six".