1404469 has 4 divisors (see below), whose sum is σ = 1532160. Its totient is φ = 1276780.

The previous prime is 1404467. The next prime is 1404479. The reversal of 1404469 is 9644041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9644041 = 11 ⋅876731.

It is a cyclic number.

It is not a de Polignac number, because 1404469 - 2¹ = 1404467 is a prime.

It is a super-2 number, since 2×1404469² = 3945066343922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404467) 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, 63829 + ... + 63850.

It is an arithmetic number, because the mean of its divisors is an integer number (383040).

2^1404469 is an apocalyptic number.

It is an amenable number.

1404469 is a deficient number, since it is larger than the sum of its proper divisors (127691).

1404469 is a wasteful number, since it uses less digits than its factorization.

1404469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127690.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1404469 is about 1185.1029491145. The cubic root of 1404469 is about 111.9878016051.

The spelling of 1404469 in words is "one million, four hundred four thousand, four hundred sixty-nine".