1585242 has 12 divisors (see below), whose sum is σ = 3434730. Its totient is φ = 528408.

The previous prime is 1585219. The next prime is 1585249. The reversal of 1585242 is 2425851.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1121481 + 463761 = 1059^2 + 681^2 .

It is not an unprimeable number, because it can be changed into a prime (1585249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44017 + ... + 44052.

2^1585242 is an apocalyptic number.

1585242 is an abundant number, since it is smaller than the sum of its proper divisors (1849488).

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

1585242 is a wasteful number, since it uses less digits than its factorization.

1585242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88077 (or 88074 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1585242 is about 1259.0639380111. The cubic root of 1585242 is about 116.5999927427.

The spelling of 1585242 in words is "one million, five hundred eighty-five thousand, two hundred forty-two".