3684420 has 48 divisors (see below), whose sum is σ = 11464320. Its totient is φ = 982368.

The previous prime is 3684419. The next prime is 3684451. The reversal of 3684420 is 244863.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 2872 + ... + 3951.

It is an arithmetic number, because the mean of its divisors is an integer number (238840).

Almost surely, 2^3684420 is an apocalyptic number.

3684420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3684420 is an abundant number, since it is smaller than the sum of its proper divisors (7779900).

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

3684420 is a wasteful number, since it uses less digits than its factorization.

3684420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6841 (or 6833 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 3684420 is about 1919.4843057446. The cubic root of 3684420 is about 154.4506393358.

It can be divided in two parts, 36844 and 20, that added together give a square (36864 = 192²).

The spelling of 3684420 in words is "three million, six hundred eighty-four thousand, four hundred twenty".