3689697 has 16 divisors (see below), whose sum is σ = 5683392. Its totient is φ = 2104320.

The previous prime is 3689689. The next prime is 3689711. The reversal of 3689697 is 7969863.

It is a happy number.

It is not a de Polignac number, because 3689697 - 2³ = 3689689 is a prime.

It is a super-2 number, since 2×3689697² = 27227727903618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3689617) 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, 2728 + ... + 3849.

It is an arithmetic number, because the mean of its divisors is an integer number (355212).

Almost surely, 2^3689697 is an apocalyptic number.

It is an amenable number.

3689697 is a deficient number, since it is larger than the sum of its proper divisors (1993695).

3689697 is a wasteful number, since it uses less digits than its factorization.

3689697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6608.

The product of its digits is 489888, while the sum is 48.

The square root of 3689697 is about 1920.8584018610. The cubic root of 3689697 is about 154.5243413225.

The spelling of 3689697 in words is "three million, six hundred eighty-nine thousand, six hundred ninety-seven".