2633689 has 2 divisors, whose sum is σ = 2633690. Its totient is φ = 2633688.

The previous prime is 2633681. The next prime is 2633711. The reversal of 2633689 is 9863362.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2534464 + 99225 = 1592^2 + 315^2 .

It is a cyclic number.

It is not a de Polignac number, because 2633689 - 2³ = 2633681 is a prime.

It is not a weakly prime, because it can be changed into another prime (2633681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1316844 + 1316845.

It is an arithmetic number, because the mean of its divisors is an integer number (1316845).

2^2633689 is an apocalyptic number.

It is an amenable number.

2633689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2633689 is an equidigital number, since it uses as much as digits as its factorization.

2633689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 37.

The square root of 2633689 is about 1622.8644428910. The cubic root of 2633689 is about 138.0982462191.

The spelling of 2633689 in words is "two million, six hundred thirty-three thousand, six hundred eighty-nine".