2290087 has 8 divisors (see below), whose sum is σ = 2530656. Its totient is φ = 2061312.

The previous prime is 2290081. The next prime is 2290091. The reversal of 2290087 is 7800922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2290087 - 2¹⁵ = 2257319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2538 + ... + 3319.

It is an arithmetic number, because the mean of its divisors is an integer number (316332).

2^2290087 is an apocalyptic number.

2290087 is a deficient number, since it is larger than the sum of its proper divisors (240569).

2290087 is a wasteful number, since it uses less digits than its factorization.

2290087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5897.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2290087 is about 1513.3033403783. The cubic root of 2290087 is about 131.8106981951.

It can be divided in two parts, 22 and 90087, that added together give a palindrome (90109).

The spelling of 2290087 in words is "two million, two hundred ninety thousand, eighty-seven".