3689670 has 32 divisors (see below), whose sum is σ = 9162720. Its totient is φ = 949760.

The previous prime is 3689669. The next prime is 3689689. The reversal of 3689670 is 769863.

It is a super-2 number, since 2×3689670² = 27227329417800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1251 + ... + 2990.

It is an arithmetic number, because the mean of its divisors is an integer number (286335).

Almost surely, 2^3689670 is an apocalyptic number.

3689670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3689670 is an abundant number, since it is smaller than the sum of its proper divisors (5473050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3689670 is a wasteful number, since it uses less digits than its factorization.

3689670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 3689670 is about 1920.8513737403. The cubic root of 3689670 is about 154.5239644020.

Multiplying 3689670 by its sum of digits (39), we get a triangular number (143897130 = T₁₆₉₆₄).

The spelling of 3689670 in words is "three million, six hundred eighty-nine thousand, six hundred seventy".