1404488 has 12 divisors (see below), whose sum is σ = 2639715. Its totient is φ = 700568.

The previous prime is 1404479. The next prime is 1404497. The reversal of 1404488 is 8844041.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (1404479) and next prime (1404497).

It can be written as a sum of positive squares in only one way, i.e., 702244 + 702244 = 838^2 + 838^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=838.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1404488.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3143 + ... + 3561.

2^1404488 is an apocalyptic number.

It is an amenable number.

1404488 is a deficient number, since it is larger than the sum of its proper divisors (1235227).

1404488 is an frugal number, since it uses more digits than its factorization.

1404488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 1404488 is about 1185.1109652687. The cubic root of 1404488 is about 111.9883066023.

The spelling of 1404488 in words is "one million, four hundred four thousand, four hundred eighty-eight".