993698 has 4 divisors (see below), whose sum is σ = 1490550. Its totient is φ = 496848.

The previous prime is 993689. The next prime is 993703. The reversal of 993698 is 896399.

993698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 797449 + 196249 = 893^2 + 443^2 .

It is an Ulam number.

It is an unprimeable number.

993698 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 as a sum of consecutive naturals, namely, 248423 + ... + 248426.

2⁹⁹³⁶⁹⁸ is an apocalyptic number.

993698 is a deficient number, since it is larger than the sum of its proper divisors (496852).

993698 is a wasteful number, since it uses less digits than its factorization.

993698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496851.

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

The square root of 993698 is about 996.8440198948. The cubic root of 993698 is about 99.7894905018.

The spelling of 993698 in words is "nine hundred ninety-three thousand, six hundred ninety-eight".