880686 has 32 divisors (see below), whose sum is σ = 2004480. Its totient is φ = 286488.

The previous prime is 880681. The next prime is 880687. The reversal of 880686 is 686088.

880686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 880686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (880681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2365 + ... + 2711.

It is an arithmetic number, because the mean of its divisors is an integer number (62640).

2⁸⁸⁰⁶⁸⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 880686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1002240).

880686 is an abundant number, since it is smaller than the sum of its proper divisors (1123794).

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

880686 is a wasteful number, since it uses less digits than its factorization.

880686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 880686 is about 938.4487199629. The cubic root of 880686 is about 95.8532915374.

The spelling of 880686 in words is "eight hundred eighty thousand, six hundred eighty-six".