1404680 has 16 divisors (see below), whose sum is σ = 3160620. Its totient is φ = 561856.

The previous prime is 1404671. The next prime is 1404709. The reversal of 1404680 is 864041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1136356 + 268324 = 1066^2 + 518^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17519 + ... + 17598.

2^1404680 is an apocalyptic number.

1404680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1404680 is an abundant number, since it is smaller than the sum of its proper divisors (1755940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1404680 is a wasteful number, since it uses less digits than its factorization.

1404680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35128 (or 35124 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1404680 is about 1185.1919675732. The cubic root of 1404680 is about 111.9934094761.

The spelling of 1404680 in words is "one million, four hundred four thousand, six hundred eighty".