1789056 has 48 divisors (see below), whose sum is σ = 5151510. Its totient is φ = 595968.

The previous prime is 1789037. The next prime is 1789091. The reversal of 1789056 is 6509871.

It can be written as a sum of positive squares in only one way, i.e., 1742400 + 46656 = 1320^2 + 216^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1789056² = 6401442742272, which contains 22 as substring.

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 1789056.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 376 + ... + 1928.

2^1789056 is an apocalyptic number.

1789056 is a gapful number since it is divisible by the number (16) 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 1789056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2575755).

1789056 is an abundant number, since it is smaller than the sum of its proper divisors (3362454).

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

1789056 is a wasteful number, since it uses less digits than its factorization.

1789056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573 (or 1558 counting only the distinct ones).

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

The square root of 1789056 is about 1337.5559801369. Note that the first 3 decimals coincide. The cubic root of 1789056 is about 121.3970066580.

The spelling of 1789056 in words is "one million, seven hundred eighty-nine thousand, fifty-six".