3684490 has 12 divisors (see below), whose sum is σ = 6643026. Its totient is φ = 1471368.

The previous prime is 3684487. The next prime is 3684509. The reversal of 3684490 is 944863.

It can be written as a sum of positive squares in only one way, i.e., 3316041 + 368449 = 1821^2 + 607^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5767 + ... + 6373.

Almost surely, 2^3684490 is an apocalyptic number.

3684490 is a deficient number, since it is larger than the sum of its proper divisors (2958536).

3684490 is an frugal number, since it uses more digits than its factorization.

3684490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 3684490 is about 1919.5025397222. The cubic root of 3684490 is about 154.4516174613.

The spelling of 3684490 in words is "three million, six hundred eighty-four thousand, four hundred ninety".