2398388 has 6 divisors (see below), whose sum is σ = 4197186. Its totient is φ = 1199192.

The previous prime is 2398379. The next prime is 2398391. The reversal of 2398388 is 8838932.

It can be written as a sum of positive squares in only one way, i.e., 1227664 + 1170724 = 1108^2 + 1082^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299795 + ... + 299802.

It is an arithmetic number, because the mean of its divisors is an integer number (699531).

2^2398388 is an apocalyptic number.

It is an amenable number.

2398388 is a deficient number, since it is larger than the sum of its proper divisors (1798798).

2398388 is a wasteful number, since it uses less digits than its factorization.

2398388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599601 (or 599599 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 2398388 is about 1548.6729803286. The cubic root of 2398388 is about 133.8566075828.

The spelling of 2398388 in words is "two million, three hundred ninety-eight thousand, three hundred eighty-eight".