1618842 has 32 divisors (see below), whose sum is σ = 3499200. Its totient is φ = 497408.

The previous prime is 1618831. The next prime is 1618849. The reversal of 1618842 is 2488161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1618849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5884 + ... + 6152.

It is an arithmetic number, because the mean of its divisors is an integer number (109350).

2^1618842 is an apocalyptic number.

1618842 is an abundant number, since it is smaller than the sum of its proper divisors (1880358).

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

1618842 is a wasteful number, since it uses less digits than its factorization.

1618842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350.

The product of its digits is 3072, while the sum is 30.

The square root of 1618842 is about 1272.3372194509. The cubic root of 1618842 is about 117.4180385107.

The spelling of 1618842 in words is "one million, six hundred eighteen thousand, eight hundred forty-two".