1441404 has 18 divisors (see below), whose sum is σ = 3643640. Its totient is φ = 480456.

The previous prime is 1441381. The next prime is 1441411. The reversal of 1441404 is 4041441.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19984 + ... + 20055.

2^1441404 is an apocalyptic number.

It is an amenable number.

1441404 is an abundant number, since it is smaller than the sum of its proper divisors (2202236).

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

1441404 is a wasteful number, since it uses less digits than its factorization.

1441404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40049 (or 40044 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1441404 is about 1200.5848574757. The cubic root of 1441404 is about 112.9610119497.

Adding to 1441404 its reverse (4041441), we get a palindrome (5482845).

The spelling of 1441404 in words is "one million, four hundred forty-one thousand, four hundred four".