3689091 has 32 divisors (see below), whose sum is σ = 6336000. Its totient is φ = 2077920.

The previous prime is 3689069. The next prime is 3689113. The reversal of 3689091 is 1909863.

It is an interprime number because it is at equal distance from previous prime (3689069) and next prime (3689113).

It is not a de Polignac number, because 3689091 - 2⁷ = 3688963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3689291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24685 + ... + 24833.

It is an arithmetic number, because the mean of its divisors is an integer number (198000).

Almost surely, 2^3689091 is an apocalyptic number.

3689091 is a deficient number, since it is larger than the sum of its proper divisors (2646909).

3689091 is a wasteful number, since it uses less digits than its factorization.

3689091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 3689091 is about 1920.7006534075. The cubic root of 3689091 is about 154.5158811086.

The spelling of 3689091 in words is "three million, six hundred eighty-nine thousand, ninety-one".