698958 has 48 divisors (see below), whose sum is σ = 1703520. Its totient is φ = 205632.

The previous prime is 698939. The next prime is 698977. The reversal of 698958 is 859896.

698958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (698939) and next prime (698977).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6735 + ... + 6837.

It is an arithmetic number, because the mean of its divisors is an integer number (35490).

2⁶⁹⁸⁹⁵⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851760).

698958 is an abundant number, since it is smaller than the sum of its proper divisors (1004562).

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

698958 is a wasteful number, since it uses less digits than its factorization.

698958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 150 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 698958 is about 836.0370805174. The cubic root of 698958 is about 88.7463213446.

The spelling of 698958 in words is "six hundred ninety-eight thousand, nine hundred fifty-eight".