1589406 has 64 divisors (see below), whose sum is σ = 4064256. Its totient is φ = 403200.

The previous prime is 1589389. The next prime is 1589411. The reversal of 1589406 is 6049851.

It is a super-2 number, since 2×1589406² = 5052422865672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22351 + ... + 22421.

It is an arithmetic number, because the mean of its divisors is an integer number (63504).

2^1589406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1589406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2032128).

1589406 is an abundant number, since it is smaller than the sum of its proper divisors (2474850).

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

1589406 is a wasteful number, since it uses less digits than its factorization.

1589406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1589406 is about 1260.7164629686. The cubic root of 1589406 is about 116.7019956498.

The spelling of 1589406 in words is "one million, five hundred eighty-nine thousand, four hundred six".