3249862720 has 56 divisors (see below), whose sum is σ = 8334033624. Its totient is φ = 1199947776.

The previous prime is 3249862697. The next prime is 3249862747. The reversal of 3249862720 is 272689423.

It can be written as a sum of positive squares in 4 ways, for example, as 35426304 + 3214436416 = 5952^2 + 56696^2 .

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 7 ways as a sum of consecutive naturals, for example, 386449 + ... + 394768.

It is an arithmetic number, because the mean of its divisors is an integer number (148822029).

Almost surely, 2^3249862720 is an apocalyptic number.

It is an amenable number.

3249862720 is an abundant number, since it is smaller than the sum of its proper divisors (5084170904).

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

3249862720 is a wasteful number, since it uses less digits than its factorization.

3249862720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781247 (or 781237 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 3249862720 is about 57007.5672169932. The cubic root of 3249862720 is about 1481.2271779377.

The spelling of 3249862720 in words is "three billion, two hundred forty-nine million, eight hundred sixty-two thousand, seven hundred twenty".