1591842 has 32 divisors (see below), whose sum is σ = 3677184. Its totient is φ = 450000.

The previous prime is 1591841. The next prime is 1591859. The reversal of 1591842 is 2481951.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1591841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6217 + ... + 6467.

It is an arithmetic number, because the mean of its divisors is an integer number (114912).

2^1591842 is an apocalyptic number.

1591842 is an abundant number, since it is smaller than the sum of its proper divisors (2085342).

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

1591842 is a wasteful number, since it uses less digits than its factorization.

1591842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414.

The product of its digits is 2880, while the sum is 30.

The square root of 1591842 is about 1261.6822103842. The cubic root of 1591842 is about 116.7615862449.

The spelling of 1591842 in words is "one million, five hundred ninety-one thousand, eight hundred forty-two".