1444630 has 32 divisors (see below), whose sum is σ = 2965248. Its totient is φ = 501600.

The previous prime is 1444613. The next prime is 1444633. The reversal of 1444630 is 364441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444633) 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, 2245 + ... + 2815.

It is an arithmetic number, because the mean of its divisors is an integer number (92664).

2^1444630 is an apocalyptic number.

1444630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1444630 is an abundant number, since it is smaller than the sum of its proper divisors (1520618).

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

1444630 is a wasteful number, since it uses less digits than its factorization.

1444630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1444630 is about 1201.9276184530. The cubic root of 1444630 is about 113.0452216737.

It can be divided in two parts, 144 and 4630, that added together give a palindrome (4774).

The spelling of 1444630 in words is "one million, four hundred forty-four thousand, six hundred thirty".