3689493 has 16 divisors (see below), whose sum is σ = 5285376. Its totient is φ = 2280960.

The previous prime is 3689479. The next prime is 3689501. The reversal of 3689493 is 3949863.

It is not a de Polignac number, because 3689493 - 2⁵ = 3689461 is a prime.

It is a super-2 number, since 2×3689493² = 27224717194098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3228 + ... + 4218.

It is an arithmetic number, because the mean of its divisors is an integer number (330336).

Almost surely, 2^3689493 is an apocalyptic number.

It is an amenable number.

3689493 is a deficient number, since it is larger than the sum of its proper divisors (1595883).

3689493 is a wasteful number, since it uses less digits than its factorization.

3689493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084.

The product of its digits is 139968, while the sum is 42.

The square root of 3689493 is about 1920.8052998677. The cubic root of 3689493 is about 154.5214934332.

The spelling of 3689493 in words is "three million, six hundred eighty-nine thousand, four hundred ninety-three".