96421813 has 4 divisors (see below), whose sum is σ = 96448140. Its totient is φ = 96395488.

The previous prime is 96421757. The next prime is 96421817. The reversal of 96421813 is 31812469.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79174404 + 17247409 = 8898^2 + 4153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-96421813 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 (96421817) 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, 6568 + ... + 15361.

It is an arithmetic number, because the mean of its divisors is an integer number (24112035).

Almost surely, 2^96421813 is an apocalyptic number.

It is an amenable number.

96421813 is a deficient number, since it is larger than the sum of its proper divisors (26327).

96421813 is a wasteful number, since it uses less digits than its factorization.

96421813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26326.

The product of its digits is 10368, while the sum is 34.

The square root of 96421813 is about 9819.4609322508. The cubic root of 96421813 is about 458.5553496135. Note that the first 3 decimals are identical.

The spelling of 96421813 in words is "ninety-six million, four hundred twenty-one thousand, eight hundred thirteen".