823848481 has 4 divisors (see below), whose sum is σ = 843007792. Its totient is φ = 804689172.

The previous prime is 823848479. The next prime is 823848497. The reversal of 823848481 is 184848328.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 823848481 - 2¹ = 823848479 is a prime.

It is a super-2 number, since 2×823848481² = 1357452639292014722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (823840481) 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, 9579591 + ... + 9579676.

It is an arithmetic number, because the mean of its divisors is an integer number (210751948).

Almost surely, 2^823848481 is an apocalyptic number.

It is an amenable number.

823848481 is a deficient number, since it is larger than the sum of its proper divisors (19159311).

823848481 is a wasteful number, since it uses less digits than its factorization.

823848481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19159310.

The product of its digits is 393216, while the sum is 46.

The square root of 823848481 is about 28702.7608602378. The cubic root of 823848481 is about 937.4521622049.

The spelling of 823848481 in words is "eight hundred twenty-three million, eight hundred forty-eight thousand, four hundred eighty-one".