3684440 has 16 divisors (see below), whose sum is σ = 8290080. Its totient is φ = 1473760.

The previous prime is 3684419. The next prime is 3684451. The reversal of 3684440 is 444863.

It is a super-2 number, since 2×3684440² = 27150196227200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46016 + ... + 46095.

It is an arithmetic number, because the mean of its divisors is an integer number (518130).

Almost surely, 2^3684440 is an apocalyptic number.

It is an amenable number.

3684440 is an abundant number, since it is smaller than the sum of its proper divisors (4605640).

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

3684440 is a wasteful number, since it uses less digits than its factorization.

3684440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92122 (or 92118 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 3684440 is about 1919.4895154702. The cubic root of 3684440 is about 154.4509188015.

The spelling of 3684440 in words is "three million, six hundred eighty-four thousand, four hundred forty".