698940 has 72 divisors (see below), whose sum is σ = 2319408. Its totient is φ = 168960.

The previous prime is 698939. The next prime is 698977. The reversal of 698940 is 49896.

698940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 698895 and 698904.

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 698940.

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, 1804 + ... + 2156.

It is an arithmetic number, because the mean of its divisors is an integer number (32214).

2⁶⁹⁸⁹⁴⁰ is an apocalyptic number.

698940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1159704).

698940 is an abundant number, since it is smaller than the sum of its proper divisors (1620468).

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

698940 is a wasteful number, since it uses less digits than its factorization.

698940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 374 counting only the distinct ones).

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

The square root of 698940 is about 836.0263153753. The cubic root of 698940 is about 88.7455595213.

It can be divided in two parts, 69 and 8940, that added together give a palindrome (9009).

The spelling of 698940 in words is "six hundred ninety-eight thousand, nine hundred forty".