6353421 has 8 divisors (see below), whose sum is σ = 8512224. Its totient is φ = 4215120.

The previous prime is 6353411. The next prime is 6353437. The reversal of 6353421 is 1243536.

It is a happy number.

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-6353421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6353391 and 6353400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6353411) 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, 4386 + ... + 5651.

It is an arithmetic number, because the mean of its divisors is an integer number (1064028).

Almost surely, 2^6353421 is an apocalyptic number.

It is an amenable number.

6353421 is a deficient number, since it is larger than the sum of its proper divisors (2158803).

6353421 is a wasteful number, since it uses less digits than its factorization.

6353421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10251.

The product of its digits is 2160, while the sum is 24.

The square root of 6353421 is about 2520.5993334919. The cubic root of 6353421 is about 185.2120383494.

Adding to 6353421 its reverse (1243536), we get a palindrome (7596957).

The spelling of 6353421 in words is "six million, three hundred fifty-three thousand, four hundred twenty-one".