1589040 has 60 divisors (see below), whose sum is σ = 5338944. Its totient is φ = 423552.

The previous prime is 1589017. The next prime is 1589053. The reversal of 1589040 is 409851.

It is a tau number, because it is divible by the number of its divisors (60).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1588995 and 1589013.

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, 384 + ... + 1823.

2^1589040 is an apocalyptic number.

1589040 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 1589040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2669472).

1589040 is an abundant number, since it is smaller than the sum of its proper divisors (3749904).

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

1589040 is a wasteful number, since it uses less digits than its factorization.

1589040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226 (or 2217 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1589040 is about 1260.5712990545. The cubic root of 1589040 is about 116.6930371229.

Subtracting from 1589040 its product of nonzero digits (1440), we obtain a square (1587600 = 1260²).

The spelling of 1589040 in words is "one million, five hundred eighty-nine thousand, forty".