698994 has 12 divisors (see below), whose sum is σ = 1514526. Its totient is φ = 232992.

The previous prime is 698983. The next prime is 699001. The reversal of 698994 is 499896.

698994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 660969 + 38025 = 813^2 + 195^2 .

It is a super-2 number, since 2×698994² = 977185224072, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19399 + ... + 19434.

2⁶⁹⁸⁹⁹⁴ is an apocalyptic number.

698994 is an abundant number, since it is smaller than the sum of its proper divisors (815532).

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

698994 is a wasteful number, since it uses less digits than its factorization.

698994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38841 (or 38838 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 698994 is about 836.0586103857. The cubic root of 698994 is about 88.7478449520.

The spelling of 698994 in words is "six hundred ninety-eight thousand, nine hundred ninety-four".