3684520 has 32 divisors (see below), whose sum is σ = 9475200. Its totient is φ = 1263168.

The previous prime is 3684517. The next prime is 3684523. The reversal of 3684520 is 254863.

It is an interprime number because it is at equal distance from previous prime (3684517) and next prime (3684523).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (3684523) 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, 6300 + ... + 6859.

It is an arithmetic number, because the mean of its divisors is an integer number (296100).

Almost surely, 2^3684520 is an apocalyptic number.

It is an amenable number.

3684520 is an abundant number, since it is smaller than the sum of its proper divisors (5790680).

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

3684520 is a wasteful number, since it uses less digits than its factorization.

3684520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13177 (or 13173 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 3684520 is about 1919.5103542310. The cubic root of 3684520 is about 154.4520366542.

The spelling of 3684520 in words is "three million, six hundred eighty-four thousand, five hundred twenty".