3246863664 has 240 divisors, whose sum is σ = 9814059360. Its totient is φ = 922521600.

The previous prime is 3246863639. The next prime is 3246863681. The reversal of 3246863664 is 4663686423.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6231724 + ... + 6232244.

It is an arithmetic number, because the mean of its divisors is an integer number (40891914).

Almost surely, 2^3246863664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3246863664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4907029680).

3246863664 is an abundant number, since it is smaller than the sum of its proper divisors (6567195696).

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

3246863664 is a wasteful number, since it uses less digits than its factorization.

3246863664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 603 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 48.

The square root of 3246863664 is about 56981.2571289894. The cubic root of 3246863664 is about 1480.7713996661.

The spelling of 3246863664 in words is "three billion, two hundred forty-six million, eight hundred sixty-three thousand, six hundred sixty-four".