791288428 has 24 divisors (see below), whose sum is σ = 1616251392. Its totient is φ = 331907664.

The previous prime is 791288419. The next prime is 791288429. The reversal of 791288428 is 824882197.

791288428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×791288428² = 1252274752573422368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (791288429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299326 + ... + 301957.

It is an arithmetic number, because the mean of its divisors is an integer number (67343808).

Almost surely, 2^791288428 is an apocalyptic number.

It is an amenable number.

791288428 is an abundant number, since it is smaller than the sum of its proper divisors (824962964).

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

791288428 is a wasteful number, since it uses less digits than its factorization.

791288428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601341 (or 601339 counting only the distinct ones).

The product of its digits is 516096, while the sum is 49.

The square root of 791288428 is about 28129.8494130345. The cubic root of 791288428 is about 924.9358330945.

The spelling of 791288428 in words is "seven hundred ninety-one million, two hundred eighty-eight thousand, four hundred twenty-eight".