1421396 has 12 divisors (see below), whose sum is σ = 2498580. Its totient is φ = 707520.

The previous prime is 1421389. The next prime is 1421401. The reversal of 1421396 is 6931241.

It can be written as a sum of positive squares in 2 ways, for example, as 698896 + 722500 = 836^2 + 850^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

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, 416 + ... + 1736.

It is an arithmetic number, because the mean of its divisors is an integer number (208215).

2^1421396 is an apocalyptic number.

It is an amenable number.

1421396 is a deficient number, since it is larger than the sum of its proper divisors (1077184).

1421396 is a wasteful number, since it uses less digits than its factorization.

1421396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1592 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 1421396 is about 1192.2231334780. The cubic root of 1421396 is about 112.4359075257.

The spelling of 1421396 in words is "one million, four hundred twenty-one thousand, three hundred ninety-six".