2290538 has 4 divisors (see below), whose sum is σ = 3435810. Its totient is φ = 1145268.

The previous prime is 2290537. The next prime is 2290543. The reversal of 2290538 is 8350922.

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., 2289169 + 1369 = 1513^2 + 37^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2290538.

It is not an unprimeable number, because it can be changed into a prime (2290537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572633 + ... + 572636.

2^2290538 is an apocalyptic number.

2290538 is a deficient number, since it is larger than the sum of its proper divisors (1145272).

2290538 is a wasteful number, since it uses less digits than its factorization.

2290538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145271.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2290538 is about 1513.4523448064. The cubic root of 2290538 is about 131.8193503734.

The spelling of 2290538 in words is "two million, two hundred ninety thousand, five hundred thirty-eight".