2991387604 has 12 divisors (see below), whose sum is σ = 5249512800. Its totient is φ = 1491526808.

The previous prime is 2991387589. The next prime is 2991387611. The reversal of 2991387604 is 4067831992.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040134 + ... + 1043005.

It is an arithmetic number, because the mean of its divisors is an integer number (437459400).

Almost surely, 2^2991387604 is an apocalyptic number.

It is an amenable number.

2991387604 is a deficient number, since it is larger than the sum of its proper divisors (2258125196).

2991387604 is a wasteful number, since it uses less digits than its factorization.

2991387604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083502 (or 2083500 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 2991387604 is about 54693.5791843979. The cubic root of 2991387604 is about 1440.8681114516.

The spelling of 2991387604 in words is "two billion, nine hundred ninety-one million, three hundred eighty-seven thousand, six hundred four".