1421394 has 16 divisors (see below), whose sum is σ = 3061632. Its totient is φ = 437328.

The previous prime is 1421389. The next prime is 1421401. The reversal of 1421394 is 4931241.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9034 + ... + 9189.

It is an arithmetic number, because the mean of its divisors is an integer number (191352).

2^1421394 is an apocalyptic number.

1421394 is an abundant number, since it is smaller than the sum of its proper divisors (1640238).

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

1421394 is a wasteful number, since it uses less digits than its factorization.

1421394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18241.

The product of its digits is 864, while the sum is 24.

The square root of 1421394 is about 1192.2222947085. Note that the first 4 decimals coincide. The cubic root of 1421394 is about 112.4358547907.

The spelling of 1421394 in words is "one million, four hundred twenty-one thousand, three hundred ninety-four".