3298005720 has 192 divisors, whose sum is σ = 11161463040. Its totient is φ = 875836800.

The previous prime is 3298005713. The next prime is 3298005743. The reversal of 3298005720 is 275008923.

It is a happy number.

3298005720 is a `hidden beast` number, since 3 + 2 + 9 + 80 + 0 + 572 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3022375 + ... + 3023465.

It is an arithmetic number, because the mean of its divisors is an integer number (58132620).

Almost surely, 2^3298005720 is an apocalyptic number.

3298005720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3298005720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5580731520).

3298005720 is an abundant number, since it is smaller than the sum of its proper divisors (7863457320).

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

3298005720 is a wasteful number, since it uses less digits than its factorization.

3298005720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3298005720 is about 57428.2658627265. The cubic root of 3298005720 is about 1488.5055839194.

The spelling of 3298005720 in words is "three billion, two hundred ninety-eight million, five thousand, seven hundred twenty".