2287990659 has 8 divisors (see below), whose sum is σ = 3211215040. Its totient is φ = 1445046696.

The previous prime is 2287990643. The next prime is 2287990687. The reversal of 2287990659 is 9560997822.

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

It is not a de Polignac number, because 2287990659 - 2⁴ = 2287990643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 40140187 = 2287990659 / (2 + 2 + 8 + 7 + 9 + 9 + 0 + 6 + 5 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2287990599 and 2287990608.

It is not an unprimeable number, because it can be changed into a prime (2287991659) 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, 20070037 + ... + 20070150.

It is an arithmetic number, because the mean of its divisors is an integer number (401401880).

Almost surely, 2^2287990659 is an apocalyptic number.

2287990659 is a deficient number, since it is larger than the sum of its proper divisors (923224381).

2287990659 is a wasteful number, since it uses less digits than its factorization.

2287990659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40140209.

The product of its (nonzero) digits is 4898880, while the sum is 57.

The square root of 2287990659 is about 47832.9453305982. The cubic root of 2287990659 is about 1317.7046616782.

The spelling of 2287990659 in words is "two billion, two hundred eighty-seven million, nine hundred ninety thousand, six hundred fifty-nine".