3321646500 has 96 divisors (see below), whose sum is σ = 10181808000. Its totient is φ = 839145600.

The previous prime is 3321646483. The next prime is 3321646501. The reversal of 3321646500 is 56461233.

It is a super-2 number, since 2×3321646500² = 22066670941924500000, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (3321646501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29775 + ... + 86774.

It is an arithmetic number, because the mean of its divisors is an integer number (106060500).

Almost surely, 2^3321646500 is an apocalyptic number.

3321646500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3321646500 is an abundant number, since it is smaller than the sum of its proper divisors (6860161500).

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

3321646500 is a wasteful number, since it uses less digits than its factorization.

3321646500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116590 (or 116578 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 3321646500 is about 57633.7271048819. The cubic root of 3321646500 is about 1492.0537569248.

The spelling of 3321646500 in words is "three billion, three hundred twenty-one million, six hundred forty-six thousand, five hundred".