3628215816 has 32 divisors (see below), whose sum is σ = 9281484960. Its totient is φ = 1181279232.

The previous prime is 3628215757. The next prime is 3628215841. The reversal of 3628215816 is 6185128263.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1756825 + ... + 1758888.

It is an arithmetic number, because the mean of its divisors is an integer number (290046405).

Almost surely, 2^3628215816 is an apocalyptic number.

It is an amenable number.

3628215816 is an abundant number, since it is smaller than the sum of its proper divisors (5653269144).

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

3628215816 is a wasteful number, since it uses less digits than its factorization.

3628215816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515765 (or 3515761 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 3628215816 is about 60234.6728720261. The cubic root of 3628215816 is about 1536.6125317144.

The spelling of 3628215816 in words is "three billion, six hundred twenty-eight million, two hundred fifteen thousand, eight hundred sixteen".