1404055 has 4 divisors (see below), whose sum is σ = 1684872. Its totient is φ = 1123240.

The previous prime is 1403981. The next prime is 1404059. The reversal of 1404055 is 5504041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1404055 - 2¹⁷ = 1272983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404059) 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, 140401 + ... + 140410.

It is an arithmetic number, because the mean of its divisors is an integer number (421218).

2^1404055 is an apocalyptic number.

1404055 is a deficient number, since it is larger than the sum of its proper divisors (280817).

1404055 is an equidigital number, since it uses as much as digits as its factorization.

1404055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280816.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1404055 is about 1184.9282678711. The cubic root of 1404055 is about 111.9767968515.

Adding to 1404055 its reverse (5504041), we get a palindrome (6908096).

The spelling of 1404055 in words is "one million, four hundred four thousand, fifty-five".