698900 has 36 divisors (see below), whose sum is σ = 1575420. Its totient is φ = 268800.

The previous prime is 698899. The next prime is 698903. The reversal of 698900 is 9896.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4 + 698896 = 2^2 + 836^2 .

It is a super-2 number, since 2×698900² = 976922420000, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2780 + ... + 3020.

2⁶⁹⁸⁹⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (787710).

698900 is an abundant number, since it is smaller than the sum of its proper divisors (876520).

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

698900 is a wasteful number, since it uses less digits than its factorization.

698900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 698900 is about 836.0023923411. The cubic root of 698900 is about 88.7438665337.

The spelling of 698900 in words is "six hundred ninety-eight thousand, nine hundred".