1440930 has 32 divisors (see below), whose sum is σ = 3541824. Its totient is φ = 374976.

The previous prime is 1440913. The next prime is 1440949. The reversal of 1440930 is 390441.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1440897 and 1440906.

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, 732 + ... + 1848.

It is an arithmetic number, because the mean of its divisors is an integer number (110682).

2^1440930 is an apocalyptic number.

1440930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1440930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1770912).

1440930 is an abundant number, since it is smaller than the sum of its proper divisors (2100894).

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

1440930 is a wasteful number, since it uses less digits than its factorization.

1440930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1440930 is about 1200.3874374551. The cubic root of 1440930 is about 112.9486283316.

The spelling of 1440930 in words is "one million, four hundred forty thousand, nine hundred thirty".