2290998 has 32 divisors (see below), whose sum is σ = 4798080. Its totient is φ = 728640.

The previous prime is 2290991. The next prime is 2290999. The reversal of 2290998 is 8990922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16413 + ... + 16551.

It is an arithmetic number, because the mean of its divisors is an integer number (149940).

2^2290998 is an apocalyptic number.

2290998 is an abundant number, since it is smaller than the sum of its proper divisors (2507082).

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

2290998 is a wasteful number, since it uses less digits than its factorization.

2290998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 2290998 is about 1513.6043076049. The cubic root of 2290998 is about 131.8281740417.

The spelling of 2290998 in words is "two million, two hundred ninety thousand, nine hundred ninety-eight".