2390998 has 8 divisors (see below), whose sum is σ = 3775320. Its totient is φ = 1132560.

The previous prime is 2390987. The next prime is 2391001. The reversal of 2390998 is 8990932.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2390998.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31423 + ... + 31498.

It is an arithmetic number, because the mean of its divisors is an integer number (471915).

2^2390998 is an apocalyptic number.

2390998 is a deficient number, since it is larger than the sum of its proper divisors (1384322).

2390998 is a wasteful number, since it uses less digits than its factorization.

2390998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62942.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 2390998 is about 1546.2852259528. The cubic root of 2390998 is about 133.7189848602.

The spelling of 2390998 in words is "two million, three hundred ninety thousand, nine hundred ninety-eight".