1404056 has 16 divisors (see below), whose sum is σ = 2646000. Its totient is φ = 698464.

The previous prime is 1403981. The next prime is 1404059. The reversal of 1404056 is 6504041.

It is a happy number.

It is a super-2 number, since 2×1404056² = 3942746502272, which contains 22 as substring.

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, 2045 + ... + 2643.

It is an arithmetic number, because the mean of its divisors is an integer number (165375).

2^1404056 is an apocalyptic number.

It is an amenable number.

1404056 is a deficient number, since it is larger than the sum of its proper divisors (1241944).

1404056 is a wasteful number, since it uses less digits than its factorization.

1404056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1404056 is about 1184.9286898375. The cubic root of 1404056 is about 111.9768234356.

Adding to 1404056 its reverse (6504041), we get a palindrome (7908097).

The spelling of 1404056 in words is "one million, four hundred four thousand, fifty-six".