709697398 has 16 divisors (see below), whose sum is σ = 1090043136. Its totient is φ = 346447080.

The previous prime is 709697323. The next prime is 709697411. The reversal of 709697398 is 893796907.

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 7 ways as a sum of consecutive naturals, for example, 9636 + ... + 38887.

It is an arithmetic number, because the mean of its divisors is an integer number (68127696).

Almost surely, 2^709697398 is an apocalyptic number.

709697398 is a deficient number, since it is larger than the sum of its proper divisors (380345738).

709697398 is a wasteful number, since it uses less digits than its factorization.

709697398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48699.

The product of its (nonzero) digits is 5143824, while the sum is 58.

The square root of 709697398 is about 26640.1463584568. The cubic root of 709697398 is about 891.9853830378.

The spelling of 709697398 in words is "seven hundred nine million, six hundred ninety-seven thousand, three hundred ninety-eight".