698904 has 48 divisors (see below), whose sum is σ = 2007720. Its totient is φ = 218880.

The previous prime is 698903. The next prime is 698923. The reversal of 698904 is 409896.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 698904.

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, 939 + ... + 1509.

2⁶⁹⁸⁹⁰⁴ 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 698904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003860).

698904 is an abundant number, since it is smaller than the sum of its proper divisors (1308816).

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

698904 is a wasteful number, since it uses less digits than its factorization.

698904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 698904 is about 836.0047846753. The cubic root of 698904 is about 88.7440358354.

The spelling of 698904 in words is "six hundred ninety-eight thousand, nine hundred four".