1818672 has 20 divisors (see below), whose sum is σ = 4698360. Its totient is φ = 606208.

The previous prime is 1818667. The next prime is 1818689. The reversal of 1818672 is 2768181.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18897 + ... + 18992.

It is an arithmetic number, because the mean of its divisors is an integer number (234918).

2^1818672 is an apocalyptic number.

1818672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1818672 is an abundant number, since it is smaller than the sum of its proper divisors (2879688).

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

1818672 is a wasteful number, since it uses less digits than its factorization.

1818672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37900 (or 37894 counting only the distinct ones).

The product of its digits is 5376, while the sum is 33.

The square root of 1818672 is about 1348.5814769601. The cubic root of 1818672 is about 122.0632118898.

The spelling of 1818672 in words is "one million, eight hundred eighteen thousand, six hundred seventy-two".