3621286456 has 32 divisors (see below), whose sum is σ = 7299360000. Its totient is φ = 1678846176.

The previous prime is 3621286453. The next prime is 3621286457. The reversal of 3621286456 is 6546821263.

It is a super-2 number, since 2×3621286456² = 26227431192818079872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621286453) 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 7 ways as a sum of consecutive naturals, for example, 246306 + ... + 260593.

It is an arithmetic number, because the mean of its divisors is an integer number (228105000).

Almost surely, 2^3621286456 is an apocalyptic number.

It is an amenable number.

3621286456 is an abundant number, since it is smaller than the sum of its proper divisors (3678073544).

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

3621286456 is a wasteful number, since it uses less digits than its factorization.

3621286456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506971 (or 506967 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 3621286456 is about 60177.1256874238. The cubic root of 3621286456 is about 1535.6336734458.

The spelling of 3621286456 in words is "three billion, six hundred twenty-one million, two hundred eighty-six thousand, four hundred fifty-six".