1408686 has 8 divisors (see below), whose sum is σ = 2817384. Its totient is φ = 469560.

The previous prime is 1408669. The next prime is 1408697. The reversal of 1408686 is 6868041.

It is a sphenic number, since it is the product of 3 distinct primes.

1408686 is an admirable number.

It is a congruent number.

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, 117385 + ... + 117396.

It is an arithmetic number, because the mean of its divisors is an integer number (352173).

2^1408686 is an apocalyptic number.

1408686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1408686 is a wasteful number, since it uses less digits than its factorization.

1408686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234786.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1408686 is about 1186.8807859259. The cubic root of 1408686 is about 112.0997729127.

The spelling of 1408686 in words is "one million, four hundred eight thousand, six hundred eighty-six".