2190258 has 24 divisors (see below), whose sum is σ = 5423808. Its totient is φ = 625752.

The previous prime is 2190233. The next prime is 2190269. The reversal of 2190258 is 8520912.

2190258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8566 + ... + 8817.

It is an arithmetic number, because the mean of its divisors is an integer number (225992).

2^2190258 is an apocalyptic number.

2190258 is an abundant number, since it is smaller than the sum of its proper divisors (3233550).

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

2190258 is a wasteful number, since it uses less digits than its factorization.

2190258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17398 (or 17395 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2190258 is about 1479.9520262495. The cubic root of 2190258 is about 129.8668854390.

The spelling of 2190258 in words is "two million, one hundred ninety thousand, two hundred fifty-eight".