1404080 has 20 divisors (see below), whose sum is σ = 3264672. Its totient is φ = 561600.

The previous prime is 1404071. The next prime is 1404107. The reversal of 1404080 is 804041.

1404080 = 2² + 3² + ... + 161².

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

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, 8696 + ... + 8855.

2^1404080 is an apocalyptic number.

1404080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1404080 is an abundant number, since it is smaller than the sum of its proper divisors (1860592).

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

1404080 is a wasteful number, since it uses less digits than its factorization.

1404080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17564 (or 17558 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1404080 is about 1184.9388169859. The cubic root of 1404080 is about 111.9774614511.

The spelling of 1404080 in words is "one million, four hundred four thousand, eighty".