93448891 has 4 divisors (see below), whose sum is σ = 93989232. Its totient is φ = 92908552.

The previous prime is 93448879. The next prime is 93448907. The reversal of 93448891 is 19884439.

93448891 = 138² + 139² + ... + 656².

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 93448891 - 2⁷ = 93448763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93448811) 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, 269911 + ... + 270256.

It is an arithmetic number, because the mean of its divisors is an integer number (23497308).

Almost surely, 2^93448891 is an apocalyptic number.

93448891 is a deficient number, since it is larger than the sum of its proper divisors (540341).

93448891 is a wasteful number, since it uses less digits than its factorization.

93448891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540340.

The product of its digits is 248832, while the sum is 46.

The square root of 93448891 is about 9666.8966581835. The cubic root of 93448891 is about 453.7932698101.

The spelling of 93448891 in words is "ninety-three million, four hundred forty-eight thousand, eight hundred ninety-one".