791552394 has 12 divisors (see below), whose sum is σ = 1715030226. Its totient is φ = 263850792.

The previous prime is 791552381. The next prime is 791552431. The reversal of 791552394 is 493255197.

It is a happy number.

791552394 is a `hidden beast` number, since 7 + 9 + 1 + 552 + 3 + 94 = 666.

It can be written as a sum of positive squares in only one way, i.e., 529598169 + 261954225 = 23013^2 + 16185^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21987549 + ... + 21987584.

Almost surely, 2^791552394 is an apocalyptic number.

791552394 is an abundant number, since it is smaller than the sum of its proper divisors (923477832).

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

791552394 is a wasteful number, since it uses less digits than its factorization.

791552394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43975141 (or 43975138 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 791552394 is about 28134.5409416966. The cubic root of 791552394 is about 925.0386714780.

The spelling of 791552394 in words is "seven hundred ninety-one million, five hundred fifty-two thousand, three hundred ninety-four".