709898 has 8 divisors (see below), whose sum is σ = 1216992. Its totient is φ = 304236.

The previous prime is 709879. The next prime is 709901. The reversal of 709898 is 898907.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25340 + ... + 25367.

It is an arithmetic number, because the mean of its divisors is an integer number (152124).

2⁷⁰⁹⁸⁹⁸ is an apocalyptic number.

709898 is a deficient number, since it is larger than the sum of its proper divisors (507094).

709898 is a wasteful number, since it uses less digits than its factorization.

709898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50716.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 709898 is about 842.5544492791. The cubic root of 709898 is about 89.2069417537.

The spelling of 709898 in words is "seven hundred nine thousand, eight hundred ninety-eight".