3628188990 has 64 divisors (see below), whose sum is σ = 9680947200. Its totient is φ = 966939552.

The previous prime is 3628188979. The next prime is 3628189001. The reversal of 3628188990 is 998818263.

It is a happy number.

3628188990 is a `hidden beast` number, since 3 + 628 + 1 + 8 + 8 + 9 + 9 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (3628188979) and next prime (3628189001).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 640591 + ... + 646229.

It is an arithmetic number, because the mean of its divisors is an integer number (151264800).

Almost surely, 2^3628188990 is an apocalyptic number.

3628188990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3628188990 is an abundant number, since it is smaller than the sum of its proper divisors (6052758210).

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

3628188990 is a wasteful number, since it uses less digits than its factorization.

3628188990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8038 (or 8032 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The square root of 3628188990 is about 60234.4501925601. The cubic root of 3628188990 is about 1536.6087446125.

The spelling of 3628188990 in words is "three billion, six hundred twenty-eight million, one hundred eighty-eight thousand, nine hundred ninety".