1443918 has 32 divisors (see below), whose sum is σ = 3409920. Its totient is φ = 398880.

The previous prime is 1443913. The next prime is 1443941. The reversal of 1443918 is 8193441.

It is a happy number.

Its product of digits (3456) is a multiple of the sum of its prime divisors (1152).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748 + ... + 1856.

It is an arithmetic number, because the mean of its divisors is an integer number (106560).

2^1443918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1443918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1704960).

1443918 is an abundant number, since it is smaller than the sum of its proper divisors (1966002).

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

1443918 is a wasteful number, since it uses less digits than its factorization.

1443918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152.

The product of its digits is 3456, while the sum is 30.

The square root of 1443918 is about 1201.6313910680. The cubic root of 1443918 is about 113.0266468080.

The spelling of 1443918 in words is "one million, four hundred forty-three thousand, nine hundred eighteen".