1559000 has 32 divisors (see below), whose sum is σ = 3650400. Its totient is φ = 623200.

The previous prime is 1558981. The next prime is 1559017. The reversal of 1559000 is 9551.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221 + ... + 1779.

It is an arithmetic number, because the mean of its divisors is an integer number (114075).

2^1559000 is an apocalyptic number.

1559000 is a gapful number since it is divisible by the number (10) 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 1559000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1825200).

1559000 is an abundant number, since it is smaller than the sum of its proper divisors (2091400).

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

1559000 is a wasteful number, since it uses less digits than its factorization.

1559000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580 (or 1566 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 1559000 is about 1248.5992151207. The cubic root of 1559000 is about 115.9530130747.

The spelling of 1559000 in words is "one million, five hundred fifty-nine thousand".