93390433 has 4 divisors (see below), whose sum is σ = 94669828. Its totient is φ = 92111040.

The previous prime is 93390421. The next prime is 93390439. The reversal of 93390433 is 33409339.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33409339 = 47 ⋅710837.

It can be written as a sum of positive squares in 2 ways, for example, as 31169889 + 62220544 = 5583^2 + 7888^2 .

It is a cyclic number.

It is not a de Polignac number, because 93390433 - 2²⁵ = 59836001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93390439) 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, 639588 + ... + 639733.

It is an arithmetic number, because the mean of its divisors is an integer number (23667457).

Almost surely, 2^93390433 is an apocalyptic number.

It is an amenable number.

93390433 is a deficient number, since it is larger than the sum of its proper divisors (1279395).

93390433 is a wasteful number, since it uses less digits than its factorization.

93390433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279394.

The product of its (nonzero) digits is 26244, while the sum is 34.

The square root of 93390433 is about 9663.8725674545. The cubic root of 93390433 is about 453.6986249185.

The spelling of 93390433 in words is "ninety-three million, three hundred ninety thousand, four hundred thirty-three".