1970856 has 48 divisors (see below), whose sum is σ = 5516160. Its totient is φ = 635040.

The previous prime is 1970809. The next prime is 1970867. The reversal of 1970856 is 6580791.

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 1970856.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1791 + ... + 2673.

It is an arithmetic number, because the mean of its divisors is an integer number (114920).

2^1970856 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 1970856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2758080).

1970856 is an abundant number, since it is smaller than the sum of its proper divisors (3545304).

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

1970856 is a wasteful number, since it uses less digits than its factorization.

1970856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 1970856 is about 1403.8717890178. The cubic root of 1970856 is about 125.3771224186.

The spelling of 1970856 in words is "one million, nine hundred seventy thousand, eight hundred fifty-six".