1432004421 has 8 divisors (see below), whose sum is σ = 1970930944. Its totient is φ = 923873760.

The previous prime is 1432004411. The next prime is 1432004443. The reversal of 1432004421 is 1244002341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1432004421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432004411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7698856 + ... + 7699041.

It is an arithmetic number, because the mean of its divisors is an integer number (246366368).

Almost surely, 2^1432004421 is an apocalyptic number.

It is an amenable number.

1432004421 is a deficient number, since it is larger than the sum of its proper divisors (538926523).

1432004421 is a wasteful number, since it uses less digits than its factorization.

1432004421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15397931.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1432004421 is about 37841.8342710815. The cubic root of 1432004421 is about 1127.1493188523.

Adding to 1432004421 its reverse (1244002341), we get a palindrome (2676006762).

The spelling of 1432004421 in words is "one billion, four hundred thirty-two million, four thousand, four hundred twenty-one".