1814728 has 16 divisors (see below), whose sum is σ = 3582000. Its totient is φ = 859536.

The previous prime is 1814719. The next prime is 1814737. The reversal of 1814728 is 8274181.

It is an interprime number because it is at equal distance from previous prime (1814719) and next prime (1814737).

It is a self number, because there is not a number n which added to its sum of digits gives 1814728.

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, 5818 + ... + 6121.

It is an arithmetic number, because the mean of its divisors is an integer number (223875).

2^1814728 is an apocalyptic number.

It is an amenable number.

1814728 is a deficient number, since it is larger than the sum of its proper divisors (1767272).

1814728 is a wasteful number, since it uses less digits than its factorization.

1814728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11964 (or 11960 counting only the distinct ones).

The product of its digits is 3584, while the sum is 31.

The square root of 1814728 is about 1347.1184060802. The cubic root of 1814728 is about 121.9749119782.

The spelling of 1814728 in words is "one million, eight hundred fourteen thousand, seven hundred twenty-eight".