1842918 has 32 divisors (see below), whose sum is σ = 4596480. Its totient is φ = 478560.

The previous prime is 1842913. The next prime is 1842931. The reversal of 1842918 is 8192481.

It is a super-3 number, since 3×1842918³ = 18777565705567333896, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1842913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1533 + ... + 2456.

It is an arithmetic number, because the mean of its divisors is an integer number (143640).

2^1842918 is an apocalyptic number.

1842918 is an abundant number, since it is smaller than the sum of its proper divisors (2753562).

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

1842918 is a wasteful number, since it uses less digits than its factorization.

1842918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012.

The product of its digits is 4608, while the sum is 33.

The square root of 1842918 is about 1357.5411595970. The cubic root of 1842918 is about 122.6032559920.

The spelling of 1842918 in words is "one million, eight hundred forty-two thousand, nine hundred eighteen".