1421694 has 24 divisors (see below), whose sum is σ = 3243240. Its totient is φ = 448848.

The previous prime is 1421689. The next prime is 1421711. The reversal of 1421694 is 4961241.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1737 + ... + 2420.

It is an arithmetic number, because the mean of its divisors is an integer number (135135).

2^1421694 is an apocalyptic number.

1421694 is an abundant number, since it is smaller than the sum of its proper divisors (1821546).

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

1421694 is a wasteful number, since it uses less digits than its factorization.

1421694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184 (or 4181 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1421694 is about 1192.3481035335. The cubic root of 1421694 is about 112.4437644868.

The spelling of 1421694 in words is "one million, four hundred twenty-one thousand, six hundred ninety-four".