93091393 has 4 divisors (see below), whose sum is σ = 97990960. Its totient is φ = 88191828.

The previous prime is 93091387. The next prime is 93091399. The reversal of 93091393 is 39319039.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39319039 = 5119 ⋅7681.

It is an interprime number because it is at equal distance from previous prime (93091387) and next prime (93091399).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93091393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93091399) 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, 2449755 + ... + 2449792.

It is an arithmetic number, because the mean of its divisors is an integer number (24497740).

Almost surely, 2^93091393 is an apocalyptic number.

It is an amenable number.

93091393 is a deficient number, since it is larger than the sum of its proper divisors (4899567).

93091393 is a wasteful number, since it uses less digits than its factorization.

93091393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4899566.

The product of its (nonzero) digits is 19683, while the sum is 37.

The square root of 93091393 is about 9648.3881037197. The cubic root of 93091393 is about 453.2138532566.

The spelling of 93091393 in words is "ninety-three million, ninety-one thousand, three hundred ninety-three".