93989433 has 4 divisors (see below), whose sum is σ = 125319248. Its totient is φ = 62659620.

The previous prime is 93989417. The next prime is 93989453. The reversal of 93989433 is 33498939.

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 not a de Polignac number, because 93989433 - 2⁴ = 93989417 is a prime.

It is a super-2 number, since 2×93989433² = 17668027031322978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93989453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15664903 + ... + 15664908.

It is an arithmetic number, because the mean of its divisors is an integer number (31329812).

Almost surely, 2^93989433 is an apocalyptic number.

It is an amenable number.

93989433 is a deficient number, since it is larger than the sum of its proper divisors (31329815).

93989433 is a wasteful number, since it uses less digits than its factorization.

93989433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31329814.

The product of its digits is 629856, while the sum is 48.

The square root of 93989433 is about 9694.8147481012. The cubic root of 93989433 is about 454.6665560032. Note that the first 3 decimals are identical.

The spelling of 93989433 in words is "ninety-three million, nine hundred eighty-nine thousand, four hundred thirty-three".