2293689 has 4 divisors (see below), whose sum is σ = 3058256. Its totient is φ = 1529124.

The previous prime is 2293673. The next prime is 2293693. The reversal of 2293689 is 9863922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2293689 - 2⁴ = 2293673 is a prime.

It is a super-2 number, since 2×2293689² = 10522018457442, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2293649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382279 + ... + 382284.

It is an arithmetic number, because the mean of its divisors is an integer number (764564).

2^2293689 is an apocalyptic number.

It is an amenable number.

2293689 is a deficient number, since it is larger than the sum of its proper divisors (764567).

2293689 is an equidigital number, since it uses as much as digits as its factorization.

2293689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764566.

The product of its digits is 46656, while the sum is 39.

The square root of 2293689 is about 1514.4929844671. The cubic root of 2293689 is about 131.8797688504.

The spelling of 2293689 in words is "two million, two hundred ninety-three thousand, six hundred eighty-nine".