799725438 has 48 divisors (see below), whose sum is σ = 1779828336. Its totient is φ = 259378560.

The previous prime is 799725389. The next prime is 799725449. The reversal of 799725438 is 834527997.

799725438 is a `hidden beast` number, since 7 + 9 + 97 + 2 + 543 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215656 + ... + 219332.

It is an arithmetic number, because the mean of its divisors is an integer number (37079757).

Almost surely, 2^799725438 is an apocalyptic number.

799725438 is an abundant number, since it is smaller than the sum of its proper divisors (980102898).

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

799725438 is a wasteful number, since it uses less digits than its factorization.

799725438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009 (or 4006 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 799725438 is about 28279.4172146457. The cubic root of 799725438 is about 928.2115542447.

The spelling of 799725438 in words is "seven hundred ninety-nine million, seven hundred twenty-five thousand, four hundred thirty-eight".