1413444 has 12 divisors (see below), whose sum is σ = 3298064. Its totient is φ = 471144.

The previous prime is 1413443. The next prime is 1413449. The reversal of 1413444 is 4443141.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1413444² = 3995647882272, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1413444.

It is not an unprimeable number, because it can be changed into a prime (1413443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58882 + ... + 58905.

2^1413444 is an apocalyptic number.

It is an amenable number.

1413444 is an abundant number, since it is smaller than the sum of its proper divisors (1884620).

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

1413444 is a wasteful number, since it uses less digits than its factorization.

1413444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117794 (or 117792 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 1413444 is about 1188.8835098528. The cubic root of 1413444 is about 112.2258410681.

Adding to 1413444 its reverse (4443141), we get a palindrome (5856585).

The spelling of 1413444 in words is "one million, four hundred thirteen thousand, four hundred forty-four".