980856 has 64 divisors (see below), whose sum is σ = 2880000. Its totient is φ = 308448.

The previous prime is 980851. The next prime is 980887. The reversal of 980856 is 658089.

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

It is a self number, because there is not a number n which added to its sum of digits gives 980856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980851) by changing a digit.

980856 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3985 + ... + 4223.

It is an arithmetic number, because the mean of its divisors is an integer number (45000).

2⁹⁸⁰⁸⁵⁶ 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 980856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1440000).

980856 is an abundant number, since it is smaller than the sum of its proper divisors (1899144).

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

980856 is a wasteful number, since it uses less digits than its factorization.

980856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 980856 is about 990.3817445814. The cubic root of 980856 is about 99.3577506550.

The spelling of 980856 in words is "nine hundred eighty thousand, eight hundred fifty-six".