1430244 has 96 divisors (see below), whose sum is σ = 4233600. Its totient is φ = 414720.

The previous prime is 1430243. The next prime is 1430279. The reversal of 1430244 is 4420341.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1430243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34864 + ... + 34904.

It is an arithmetic number, because the mean of its divisors is an integer number (44100).

2^1430244 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 1430244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2116800).

1430244 is an abundant number, since it is smaller than the sum of its proper divisors (2803356).

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

1430244 is a wasteful number, since it uses less digits than its factorization.

1430244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1430244 is about 1195.9280914838. The cubic root of 1430244 is about 112.6687246025.

Adding to 1430244 its reverse (4420341), we get a palindrome (5850585).

The spelling of 1430244 in words is "one million, four hundred thirty thousand, two hundred forty-four".