1840086 has 24 divisors (see below), whose sum is σ = 4019184. Its totient is φ = 608400.

The previous prime is 1840073. The next prime is 1840087. The reversal of 1840086 is 6800481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1840087) 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 11 ways as a sum of consecutive naturals, for example, 2380 + ... + 3056.

It is an arithmetic number, because the mean of its divisors is an integer number (167466).

2^1840086 is an apocalyptic number.

1840086 is an abundant number, since it is smaller than the sum of its proper divisors (2179098).

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

1840086 is a wasteful number, since it uses less digits than its factorization.

1840086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1840086 is about 1356.4976962752. The cubic root of 1840086 is about 122.5404225893.

It can be divided in two parts, 18 and 40086, that added together give a palindrome (40104).

The spelling of 1840086 in words is "one million, eight hundred forty thousand, eighty-six".