1404261 has 12 divisors (see below), whose sum is σ = 2083692. Its totient is φ = 910656.

The previous prime is 1404257. The next prime is 1404283. The reversal of 1404261 is 1624041.

1404261 is a `hidden beast` number, since 1 + 404 + 261 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1252161 + 152100 = 1119^2 + 390^2 .

It is not a de Polignac number, because 1404261 - 2² = 1404257 is a prime.

It is a super-2 number, since 2×1404261² = 3943897912242, which contains 22 as substring.

1404261 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404211) 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, 1776 + ... + 2441.

It is an arithmetic number, because the mean of its divisors is an integer number (173641).

2^1404261 is an apocalyptic number.

It is an amenable number.

1404261 is a deficient number, since it is larger than the sum of its proper divisors (679431).

1404261 is a wasteful number, since it uses less digits than its factorization.

1404261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4260 (or 4257 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1404261 is about 1185.0151897761. The cubic root of 1404261 is about 111.9822729171.

The spelling of 1404261 in words is "one million, four hundred four thousand, two hundred sixty-one".