699398 has 8 divisors (see below), whose sum is σ = 1198992. Its totient is φ = 299736.

The previous prime is 699383. The next prime is 699401. The reversal of 699398 is 893996.

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

It is a congruent number.

It is an unprimeable number.

699398 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24965 + ... + 24992.

It is an arithmetic number, because the mean of its divisors is an integer number (149874).

2⁶⁹⁹³⁹⁸ is an apocalyptic number.

699398 is a deficient number, since it is larger than the sum of its proper divisors (499594).

699398 is a wasteful number, since it uses less digits than its factorization.

699398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49966.

The product of its digits is 104976, while the sum is 44.

The square root of 699398 is about 836.3001853402. The cubic root of 699398 is about 88.7649396261.

The spelling of 699398 in words is "six hundred ninety-nine thousand, three hundred ninety-eight".