1404244 has 6 divisors (see below), whose sum is σ = 2457434. Its totient is φ = 702120.

The previous prime is 1404229. The next prime is 1404257. The reversal of 1404244 is 4424041.

It can be written as a sum of positive squares in only one way, i.e., 1368900 + 35344 = 1170^2 + 188^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 175527 + ... + 175534.

2^1404244 is an apocalyptic number.

It is an amenable number.

1404244 is a deficient number, since it is larger than the sum of its proper divisors (1053190).

1404244 is a wasteful number, since it uses less digits than its factorization.

1404244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351065 (or 351063 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1404244 is about 1185.0080168505. The cubic root of 1404244 is about 111.9818210291.

Subtracting from 1404244 its sum of digits (19), we obtain a square (1404225 = 1185²).

Adding to 1404244 its reverse (4424041), we get a palindrome (5828285).

The spelling of 1404244 in words is "one million, four hundred four thousand, two hundred forty-four".