32421 has 8 divisors (see below), whose sum is σ = 44064. Its totient is φ = 21200.

The previous prime is 32413. The next prime is 32423. The reversal of 32421 is 12423.

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

It is a cyclic number.

It is not a de Polignac number, because 32421 - 2³ = 32413 is a prime.

It is a super-2 number, since 2×32421² = 2102242482, which contains 22 as substring.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 32397 and 32406.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 32421.

It is not an unprimeable number, because it can be changed into a prime (32423) 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, 250 + ... + 356.

It is an arithmetic number, because the mean of its divisors is an integer number (5508).

2³²⁴²¹ is an apocalyptic number.

It is an amenable number.

32421 is a deficient number, since it is larger than the sum of its proper divisors (11643).

32421 is a wasteful number, since it uses less digits than its factorization.

32421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211.

The product of its digits is 48, while the sum is 12.

The square root of 32421 is about 180.0583238842. The cubic root of 32421 is about 31.8866431898.

Adding to 32421 its reverse (12423), we get a palindrome (44844).

The spelling of 32421 in words is "thirty-two thousand, four hundred twenty-one".