3689530 has 32 divisors (see below), whose sum is σ = 7248528. Its totient is φ = 1344000.

The previous prime is 3689519. The next prime is 3689551. The reversal of 3689530 is 359863.

It can be written as a sum of positive squares in 8 ways, for example, as 2271049 + 1418481 = 1507^2 + 1191^2 .

It is a super-2 number, since 2×3689530² = 27225263241800, which contains 22 as substring.

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, 12990 + ... + 13270.

Almost surely, 2^3689530 is an apocalyptic number.

3689530 is a deficient number, since it is larger than the sum of its proper divisors (3558998).

3689530 is a wasteful number, since it uses less digits than its factorization.

3689530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 3689530 is about 1920.8149312206. The cubic root of 3689530 is about 154.5220099699.

The spelling of 3689530 in words is "three million, six hundred eighty-nine thousand, five hundred thirty".