1421436 has 12 divisors (see below), whose sum is σ = 3316712. Its totient is φ = 473808.

The previous prime is 1421417. The next prime is 1421437. The reversal of 1421436 is 6341241.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59215 + ... + 59238.

2^1421436 is an apocalyptic number.

It is an amenable number.

1421436 is an abundant number, since it is smaller than the sum of its proper divisors (1895276).

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

1421436 is a wasteful number, since it uses less digits than its factorization.

1421436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118460 (or 118458 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 1421436 is about 1192.2399087432. The cubic root of 1421436 is about 112.4369622151.

Adding to 1421436 its reverse (6341241), we get a palindrome (7762677).

The spelling of 1421436 in words is "one million, four hundred twenty-one thousand, four hundred thirty-six".