2991298328 has 16 divisors (see below), whose sum is σ = 5609300280. Its totient is φ = 1495484928.

The previous prime is 2991298309. The next prime is 2991298333. The reversal of 2991298328 is 8238921992.

It is a self number, because there is not a number n which added to its sum of digits gives 2991298328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95351 + ... + 122777.

Almost surely, 2^2991298328 is an apocalyptic number.

It is an amenable number.

2991298328 is a deficient number, since it is larger than the sum of its proper divisors (2618001952).

2991298328 is a wasteful number, since it uses less digits than its factorization.

2991298328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41066 (or 41062 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 53.

The square root of 2991298328 is about 54692.7630313189. The cubic root of 2991298328 is about 1440.8537773879.

The spelling of 2991298328 in words is "two billion, nine hundred ninety-one million, two hundred ninety-eight thousand, three hundred twenty-eight".