3249605660 has 96 divisors (see below), whose sum is σ = 8044299648. Its totient is φ = 1079377920.

The previous prime is 3249605657. The next prime is 3249605677. The reversal of 3249605660 is 665069423.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1330040 + ... + 1332480.

It is an arithmetic number, because the mean of its divisors is an integer number (83794788).

Almost surely, 2^3249605660 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 3249605660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4022149824).

3249605660 is an abundant number, since it is smaller than the sum of its proper divisors (4794693988).

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

3249605660 is a wasteful number, since it uses less digits than its factorization.

3249605660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751 (or 2749 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 3249605660 is about 57005.3125594448. The cubic root of 3249605660 is about 1481.1881225138.

The spelling of 3249605660 in words is "three billion, two hundred forty-nine million, six hundred five thousand, six hundred sixty".