3689650 has 24 divisors (see below), whose sum is σ = 6935940. Its totient is φ = 1460160.

The previous prime is 3689633. The next prime is 3689669. The reversal of 3689650 is 569863.

It can be written as a sum of positive squares in 6 ways, for example, as 2927521 + 762129 = 1711^2 + 873^2 .

It is a super-2 number, since 2×3689650² = 27227034245000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5112 + ... + 5788.

Almost surely, 2^3689650 is an apocalyptic number.

3689650 is a deficient number, since it is larger than the sum of its proper divisors (3246290).

3689650 is a wasteful number, since it uses less digits than its factorization.

3689650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 3689650 is about 1920.8461677084. The cubic root of 3689650 is about 154.5236852005.

The spelling of 3689650 in words is "three million, six hundred eighty-nine thousand, six hundred fifty".