3646856316 has 96 divisors (see below), whose sum is σ = 8948459520. Its totient is φ = 1154897856.

The previous prime is 3646856309. The next prime is 3646856341. The reversal of 3646856316 is 6136586463.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3135151 + ... + 3136313.

It is an arithmetic number, because the mean of its divisors is an integer number (93213120).

Almost surely, 2^3646856316 is an apocalyptic number.

It is an amenable number.

3646856316 is an abundant number, since it is smaller than the sum of its proper divisors (5301603204).

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

3646856316 is a wasteful number, since it uses less digits than its factorization.

3646856316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375 (or 1373 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 48.

The square root of 3646856316 is about 60389.2069495866. The cubic root of 3646856316 is about 1539.2395632850.

The spelling of 3646856316 in words is "three billion, six hundred forty-six million, eight hundred fifty-six thousand, three hundred sixteen".