3684221400 has 48 divisors (see below), whose sum is σ = 11421088200. Its totient is φ = 982458880.

The previous prime is 3684221389. The next prime is 3684221441. The reversal of 3684221400 is 41224863.

3684221400 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3069585 + ... + 3070784.

Almost surely, 2^3684221400 is an apocalyptic number.

3684221400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3684221400 is an abundant number, since it is smaller than the sum of its proper divisors (7736866800).

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

3684221400 is a wasteful number, since it uses less digits than its factorization.

3684221400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6140388 (or 6140379 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 3684221400 is about 60697.7874390822. The cubic root of 3684221400 is about 1544.4786418635.

The spelling of 3684221400 in words is "three billion, six hundred eighty-four million, two hundred twenty-one thousand, four hundred".