3690489 has 8 divisors (see below), whose sum is σ = 5368032. Its totient is φ = 2236640.

The previous prime is 3690473. The next prime is 3690497. The reversal of 3690489 is 9840963.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3690489 - 2⁴ = 3690473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3690499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55884 + ... + 55949.

It is an arithmetic number, because the mean of its divisors is an integer number (671004).

Almost surely, 2^3690489 is an apocalyptic number.

It is an amenable number.

3690489 is a deficient number, since it is larger than the sum of its proper divisors (1677543).

3690489 is a wasteful number, since it uses less digits than its factorization.

3690489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111847.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 3690489 is about 1921.0645486292. The cubic root of 3690489 is about 154.5353968394.

It can be divided in two parts, 36 and 90489, that added together give a triangular number (90525 = T₄₂₅).

The spelling of 3690489 in words is "three million, six hundred ninety thousand, four hundred eighty-nine".