93431329 has 4 divisors (see below), whose sum is σ = 93576384. Its totient is φ = 93286276.

The previous prime is 93431309. The next prime is 93431339. The reversal of 93431329 is 92313439.

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 93431329 - 2²⁵ = 59876897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 93431294 and 93431303.

It is not an unprimeable number, because it can be changed into a prime (93431309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71557 + ... + 72850.

It is an arithmetic number, because the mean of its divisors is an integer number (23394096).

Almost surely, 2^93431329 is an apocalyptic number.

It is an amenable number.

93431329 is a deficient number, since it is larger than the sum of its proper divisors (145055).

93431329 is a wasteful number, since it uses less digits than its factorization.

93431329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145054.

The product of its digits is 17496, while the sum is 34.

The square root of 93431329 is about 9665.9882578038. The cubic root of 93431329 is about 453.7648406634.

The spelling of 93431329 in words is "ninety-three million, four hundred thirty-one thousand, three hundred twenty-nine".