2303998 has 4 divisors (see below), whose sum is σ = 3456000. Its totient is φ = 1151998.

The previous prime is 2303989. The next prime is 2303999. The reversal of 2303998 is 8993032.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575998 + ... + 576001.

It is an arithmetic number, because the mean of its divisors is an integer number (864000).

2^2303998 is an apocalyptic number.

2303998 is a deficient number, since it is larger than the sum of its proper divisors (1152002).

2303998 is a wasteful number, since it uses less digits than its factorization.

2303998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152001.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 2303998 is about 1517.8926180728. The cubic root of 2303998 is about 132.0770517390.

Adding to 2303998 its sum of digits (34), we get a palindrome (2304032).

The spelling of 2303998 in words is "two million, three hundred three thousand, nine hundred ninety-eight".