698938 has 16 divisors (see below), whose sum is σ = 1131624. Its totient is φ = 322560.

The previous prime is 698923. The next prime is 698939. The reversal of 698938 is 839896.

698938 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 4 ways, for example, as 431649 + 267289 = 657^2 + 517^2 .

It is a junction number, because it is equal to n+sod(n) for n = 698894 and 698903.

It is not an unprimeable number, because it can be changed into a prime (698939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1906 + ... + 2242.

2⁶⁹⁸⁹³⁸ is an apocalyptic number.

698938 is a deficient number, since it is larger than the sum of its proper divisors (432686).

698938 is a wasteful number, since it uses less digits than its factorization.

698938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417.

The product of its digits is 93312, while the sum is 43.

The square root of 698938 is about 836.0251192398. The cubic root of 698938 is about 88.7454748734.

The spelling of 698938 in words is "six hundred ninety-eight thousand, nine hundred thirty-eight".