1421886 has 8 divisors (see below), whose sum is σ = 2843784. Its totient is φ = 473960.

The previous prime is 1421867. The next prime is 1421909. The reversal of 1421886 is 6881241.

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

1421886 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, 118485 + ... + 118496.

It is an arithmetic number, because the mean of its divisors is an integer number (355473).

2^1421886 is an apocalyptic number.

1421886 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.

1421886 is a wasteful number, since it uses less digits than its factorization.

1421886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236986.

The product of its digits is 3072, while the sum is 30.

The square root of 1421886 is about 1192.4286142155. The cubic root of 1421886 is about 112.4488261083.

The spelling of 1421886 in words is "one million, four hundred twenty-one thousand, eight hundred eighty-six".