96421 has 4 divisors (see below), whose sum is σ = 103852. Its totient is φ = 88992.

The previous prime is 96419. The next prime is 96431. The reversal of 96421 is 12469.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12469 = 37 ⋅337.

It can be written as a sum of positive squares in 2 ways, for example, as 45796 + 50625 = 214^2 + 225^2 .

It is a cyclic number.

It is not a de Polignac number, because 96421 - 2¹ = 96419 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 96392 and 96401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3696 + ... + 3721.

It is an arithmetic number, because the mean of its divisors is an integer number (25963).

2⁹⁶⁴²¹ is an apocalyptic number.

It is an amenable number.

96421 is a deficient number, since it is larger than the sum of its proper divisors (7431).

96421 is a wasteful number, since it uses less digits than its factorization.

96421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7430.

The product of its digits is 432, while the sum is 22.

The square root of 96421 is about 310.5173103065. The cubic root of 96421 is about 45.8554060809.

The spelling of 96421 in words is "ninety-six thousand, four hundred twenty-one".