2389192420 has 12 divisors (see below), whose sum is σ = 5017304124. Its totient is φ = 955676960.

The previous prime is 2389192417. The next prime is 2389192439. The reversal of 2389192420 is 242919832.

It can be written as a sum of positive squares in 2 ways, for example, as 401281024 + 1987911396 = 20032^2 + 44586^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59729791 + ... + 59729830.

It is an arithmetic number, because the mean of its divisors is an integer number (418108677).

Almost surely, 2^2389192420 is an apocalyptic number.

2389192420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2389192420 is an abundant number, since it is smaller than the sum of its proper divisors (2628111704).

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

2389192420 is a wasteful number, since it uses less digits than its factorization.

2389192420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119459630 (or 119459628 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 2389192420 is about 48879.3659942516. The cubic root of 2389192420 is about 1336.8531675378.

The spelling of 2389192420 in words is "two billion, three hundred eighty-nine million, one hundred ninety-two thousand, four hundred twenty".