1589940 has 108 divisors (see below), whose sum is σ = 5373732. Its totient is φ = 380160.

The previous prime is 1589933. The next prime is 1589941. The reversal of 1589940 is 499851.

1589940 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in 2 ways, for example, as 736164 + 853776 = 858^2 + 924^2 .

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

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1589895 and 1589904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1589941) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21744 + ... + 21816.

2^1589940 is an apocalyptic number.

1589940 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 1589940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2686866).

1589940 is an abundant number, since it is smaller than the sum of its proper divisors (3783792).

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

1589940 is a wasteful number, since it uses less digits than its factorization.

1589940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1589940 is about 1260.9282295198. The cubic root of 1589940 is about 116.7150638207.

The spelling of 1589940 in words is "one million, five hundred eighty-nine thousand, nine hundred forty".