2398490178 has 16 divisors (see below), whose sum is σ = 5482263360. Its totient is φ = 685282896.

The previous prime is 2398490167. The next prime is 2398490179. The reversal of 2398490178 is 8710948932.

It is a self number, because there is not a number n which added to its sum of digits gives 2398490178.

It is not an unprimeable number, because it can be changed into a prime (2398490179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28553413 + ... + 28553496.

It is an arithmetic number, because the mean of its divisors is an integer number (342641460).

Almost surely, 2^2398490178 is an apocalyptic number.

2398490178 is an abundant number, since it is smaller than the sum of its proper divisors (3083773182).

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

2398490178 is a wasteful number, since it uses less digits than its factorization.

2398490178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57106921.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 2398490178 is about 48974.3828751318. The cubic root of 2398490178 is about 1338.5850844376.

The spelling of 2398490178 in words is "two billion, three hundred ninety-eight million, four hundred ninety thousand, one hundred seventy-eight".