2398728 has 32 divisors (see below), whose sum is σ = 6069600. Its totient is φ = 789888.

The previous prime is 2398699. The next prime is 2398777. The reversal of 2398728 is 8278932.

2398728 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1575 + ... + 2697.

It is an arithmetic number, because the mean of its divisors is an integer number (189675).

2^2398728 is an apocalyptic number.

It is an amenable number.

2398728 is an abundant number, since it is smaller than the sum of its proper divisors (3670872).

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

2398728 is a wasteful number, since it uses less digits than its factorization.

2398728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221 (or 1217 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 2398728 is about 1548.7827478378. The cubic root of 2398728 is about 133.8629325389.

The spelling of 2398728 in words is "two million, three hundred ninety-eight thousand, seven hundred twenty-eight".