83324021 has 8 divisors (see below), whose sum is σ = 96246144. Its totient is φ = 71293120.

The previous prime is 83324011. The next prime is 83324023. The reversal of 83324021 is 12042338.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83324021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83324023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222605 + ... + 222978.

It is an arithmetic number, because the mean of its divisors is an integer number (12030768).

Almost surely, 2^83324021 is an apocalyptic number.

It is an amenable number.

83324021 is a deficient number, since it is larger than the sum of its proper divisors (12922123).

83324021 is a wasteful number, since it uses less digits than its factorization.

83324021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445611.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 83324021 is about 9128.1992199995. The cubic root of 83324021 is about 436.7739616171.

Adding to 83324021 its reverse (12042338), we get a palindrome (95366359).

The spelling of 83324021 in words is "eighty-three million, three hundred twenty-four thousand, twenty-one".