1404425 has 12 divisors (see below), whose sum is σ = 1900176. Its totient is φ = 1021200.

The previous prime is 1404419. The next prime is 1404427. The reversal of 1404425 is 5244041.

It is not a de Polignac number, because 1404425 - 2¹⁴ = 1388041 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1404397 and 1404406.

It is not an unprimeable number, because it can be changed into a prime (1404427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2279 + ... + 2828.

It is an arithmetic number, because the mean of its divisors is an integer number (158348).

2^1404425 is an apocalyptic number.

It is an amenable number.

1404425 is a deficient number, since it is larger than the sum of its proper divisors (495751).

1404425 is a wasteful number, since it uses less digits than its factorization.

1404425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128 (or 5123 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1404425 is about 1185.0843851811. The cubic root of 1404425 is about 111.9866321205.

Adding to 1404425 its reverse (5244041), we get a palindrome (6648466).

The spelling of 1404425 in words is "one million, four hundred four thousand, four hundred twenty-five".