1409680 has 40 divisors (see below), whose sum is σ = 3339072. Its totient is φ = 553344.

The previous prime is 1409677. The next prime is 1409713. The reversal of 1409680 is 869041.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5229 + ... + 5491.

2^1409680 is an apocalyptic number.

1409680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1409680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1669536).

1409680 is an abundant number, since it is smaller than the sum of its proper divisors (1929392).

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

1409680 is a wasteful number, since it uses less digits than its factorization.

1409680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1409680 is about 1187.2994567505. The cubic root of 1409680 is about 112.1261334066.

The spelling of 1409680 in words is "one million, four hundred nine thousand, six hundred eighty".