2398998 has 16 divisors (see below), whose sum is σ = 5483520. Its totient is φ = 685416.

The previous prime is 2398987. The next prime is 2399011. The reversal of 2398998 is 8998932.

It is a d-powerful number, because it can be written as 2⁵ + 3¹¹ + 9⁴ + 8 + 9⁵ + 9⁵ + 8⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28518 + ... + 28601.

It is an arithmetic number, because the mean of its divisors is an integer number (342720).

2^2398998 is an apocalyptic number.

2398998 is an abundant number, since it is smaller than the sum of its proper divisors (3084522).

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

2398998 is a wasteful number, since it uses less digits than its factorization.

2398998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57131.

The product of its digits is 279936, while the sum is 48.

The square root of 2398998 is about 1548.8699106123. The cubic root of 2398998 is about 133.8679548724.

The spelling of 2398998 in words is "two million, three hundred ninety-eight thousand, nine hundred ninety-eight".