1818696 has 48 divisors (see below), whose sum is σ = 5020560. Its totient is φ = 544480.

The previous prime is 1818689. The next prime is 1818703. The reversal of 1818696 is 6968181.

It is an interprime number because it is at equal distance from previous prime (1818689) and next prime (1818703).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21871 + ... + 21953.

It is an arithmetic number, because the mean of its divisors is an integer number (104595).

2^1818696 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 1818696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2510280).

1818696 is an abundant number, since it is smaller than the sum of its proper divisors (3201864).

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

1818696 is a wasteful number, since it uses less digits than its factorization.

1818696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 99 counting only the distinct ones).

The product of its digits is 20736, while the sum is 39.

The square root of 1818696 is about 1348.5903751696. The cubic root of 1818696 is about 122.0637488209.

The spelling of 1818696 in words is "one million, eight hundred eighteen thousand, six hundred ninety-six".