1836996 has 48 divisors (see below), whose sum is σ = 5160960. Its totient is φ = 496800.

The previous prime is 1836979. The next prime is 1837007. The reversal of 1836996 is 6996381.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1021 + ... + 2171.

It is an arithmetic number, because the mean of its divisors is an integer number (107520).

2^1836996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1836996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2580480).

1836996 is an abundant number, since it is smaller than the sum of its proper divisors (3323964).

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

1836996 is a wasteful number, since it uses less digits than its factorization.

1836996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184 (or 1182 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 1836996 is about 1355.3582552226. The cubic root of 1836996 is about 122.4717913668.

The spelling of 1836996 in words is "one million, eight hundred thirty-six thousand, nine hundred ninety-six".