791621948 has 12 divisors (see below), whose sum is σ = 1491903000. Its totient is φ = 365363952.

The previous prime is 791621899. The next prime is 791622011. The reversal of 791621948 is 849126197.

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, 7611698 + ... + 7611801.

It is an arithmetic number, because the mean of its divisors is an integer number (124325250).

Almost surely, 2^791621948 is an apocalyptic number.

It is an amenable number.

791621948 is a deficient number, since it is larger than the sum of its proper divisors (700281052).

791621948 is a wasteful number, since it uses less digits than its factorization.

791621948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15223516 (or 15223514 counting only the distinct ones).

The product of its digits is 217728, while the sum is 47.

The square root of 791621948 is about 28135.7770107740. Note that the first 3 decimals coincide. The cubic root of 791621948 is about 925.0657651805.

The spelling of 791621948 in words is "seven hundred ninety-one million, six hundred twenty-one thousand, nine hundred forty-eight".