1404045 has 24 divisors (see below), whose sum is σ = 2496312. Its totient is φ = 729600.

The previous prime is 1403981. The next prime is 1404059. The reversal of 1404045 is 5404041.

It can be written as a sum of positive squares in 4 ways, for example, as 145161 + 1258884 = 381^2 + 1122^2 .

It is not a de Polignac number, because 1404045 - 2⁶ = 1403981 is a prime.

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 in 23 ways as a sum of consecutive naturals, for example, 1465 + ... + 2225.

It is an arithmetic number, because the mean of its divisors is an integer number (104013).

2^1404045 is an apocalyptic number.

1404045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1404045 is a deficient number, since it is larger than the sum of its proper divisors (1092267).

1404045 is a wasteful number, since it uses less digits than its factorization.

1404045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1404045 is about 1184.9240481989. The cubic root of 1404045 is about 111.9765310094.

Adding to 1404045 its reverse (5404041), we get a palindrome (6808086).

The spelling of 1404045 in words is "one million, four hundred four thousand, forty-five".