2090258 has 4 divisors (see below), whose sum is σ = 3135390. Its totient is φ = 1045128.

The previous prime is 2090251. The next prime is 2090279. The reversal of 2090258 is 8520902.

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

It can be written as a sum of positive squares in only one way, i.e., 2007889 + 82369 = 1417^2 + 287^2 .

It is not an unprimeable number, because it can be changed into a prime (2090251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522563 + ... + 522566.

2^2090258 is an apocalyptic number.

2090258 is a deficient number, since it is larger than the sum of its proper divisors (1045132).

2090258 is a wasteful number, since it uses less digits than its factorization.

2090258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045131.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 2090258 is about 1445.7724578923. The cubic root of 2090258 is about 127.8595872380.

The spelling of 2090258 in words is "two million, ninety thousand, two hundred fifty-eight".