6332421 has 8 divisors (see below), whose sum is σ = 8467360. Its totient is φ = 4209552.

The previous prime is 6332413. The next prime is 6332437. The reversal of 6332421 is 1242336.

It is a happy number.

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

It is not a de Polignac number, because 6332421 - 2³ = 6332413 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6332441) 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, 1711 + ... + 3948.

It is an arithmetic number, because the mean of its divisors is an integer number (1058420).

Almost surely, 2^6332421 is an apocalyptic number.

It is an amenable number.

6332421 is a deficient number, since it is larger than the sum of its proper divisors (2134939).

6332421 is a wasteful number, since it uses less digits than its factorization.

6332421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6035.

The product of its digits is 864, while the sum is 21.

The square root of 6332421 is about 2516.4302096422. The cubic root of 6332421 is about 185.0077522926.

Adding to 6332421 its reverse (1242336), we get a palindrome (7574757).

The spelling of 6332421 in words is "six million, three hundred thirty-two thousand, four hundred twenty-one".