1836534 has 32 divisors (see below), whose sum is σ = 4262400. Its totient is φ = 516672.

The previous prime is 1836517. The next prime is 1836539. The reversal of 1836534 is 4356381.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1836539) 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, 2767 + ... + 3365.

It is an arithmetic number, because the mean of its divisors is an integer number (133200).

2^1836534 is an apocalyptic number.

1836534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1836534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2131200).

1836534 is an abundant number, since it is smaller than the sum of its proper divisors (2425866).

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

1836534 is a wasteful number, since it uses less digits than its factorization.

1836534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684.

The product of its digits is 8640, while the sum is 30.

The square root of 1836534 is about 1355.1878098625. The cubic root of 1836534 is about 122.4615233873.

The spelling of 1836534 in words is "one million, eight hundred thirty-six thousand, five hundred thirty-four".