1421432 has 8 divisors (see below), whose sum is σ = 2665200. Its totient is φ = 710712.

The previous prime is 1421417. The next prime is 1421437. The reversal of 1421432 is 2341241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1421432.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 88832 + ... + 88847.

It is an arithmetic number, because the mean of its divisors is an integer number (333150).

2^1421432 is an apocalyptic number.

It is an amenable number.

1421432 is a deficient number, since it is larger than the sum of its proper divisors (1243768).

1421432 is a wasteful number, since it uses less digits than its factorization.

1421432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177685 (or 177681 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 1421432 is about 1192.2382312273. The cubic root of 1421432 is about 112.4368567471.

Adding to 1421432 its reverse (2341241), we get a palindrome (3762673).

The spelling of 1421432 in words is "one million, four hundred twenty-one thousand, four hundred thirty-two".