3136689 has 12 divisors (see below), whose sum is σ = 4578756. Its totient is φ = 2068992.

The previous prime is 3136667. The next prime is 3136759. The reversal of 3136689 is 9866313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1199025 + 1937664 = 1095^2 + 1392^2 .

It is not a de Polignac number, because 3136689 - 2⁵ = 3136657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3136649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 924 + ... + 2669.

It is an arithmetic number, because the mean of its divisors is an integer number (381563).

Almost surely, 2^3136689 is an apocalyptic number.

It is an amenable number.

3136689 is a deficient number, since it is larger than the sum of its proper divisors (1442067).

3136689 is a wasteful number, since it uses less digits than its factorization.

3136689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696 (or 3693 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 3136689 is about 1771.0700155556. The cubic root of 3136689 is about 146.3829472658.

The spelling of 3136689 in words is "three million, one hundred thirty-six thousand, six hundred eighty-nine".