2389247790 has 16 divisors (see below), whose sum is σ = 5734194768. Its totient is φ = 637132736.

The previous prime is 2389247789. The next prime is 2389247807. The reversal of 2389247790 is 977429832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39820767 + ... + 39820826.

It is an arithmetic number, because the mean of its divisors is an integer number (358387173).

Almost surely, 2^2389247790 is an apocalyptic number.

2389247790 is an abundant number, since it is smaller than the sum of its proper divisors (3344946978).

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

2389247790 is a wasteful number, since it uses less digits than its factorization.

2389247790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79641603.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 2389247790 is about 48879.9323853870. The cubic root of 2389247790 is about 1336.8634947356.

The spelling of 2389247790 in words is "two billion, three hundred eighty-nine million, two hundred forty-seven thousand, seven hundred ninety".