2146820304 has 20 divisors (see below), whose sum is σ = 5545952576. Its totient is φ = 715606752.

The previous prime is 2146820267. The next prime is 2146820321. The reversal of 2146820304 is 4030286412.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22362664 + ... + 22362759.

Almost surely, 2^2146820304 is an apocalyptic number.

2146820304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2146820304 is an abundant number, since it is smaller than the sum of its proper divisors (3399132272).

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

2146820304 is a wasteful number, since it uses less digits than its factorization.

2146820304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44725434 (or 44725428 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 2146820304 is about 46333.7922471278. The cubic root of 2146820304 is about 1290.0263007678.

The spelling of 2146820304 in words is "two billion, one hundred forty-six million, eight hundred twenty thousand, three hundred four".