93144247 has 6 divisors (see below), whose sum is σ = 108351528. Its totient is φ = 79837884.

The previous prime is 93144223. The next prime is 93144257. The reversal of 93144247 is 74244139.

It is a happy number.

It is not a de Polignac number, because 93144247 - 2¹⁹ = 92619959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93144217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 950403 + ... + 950500.

It is an arithmetic number, because the mean of its divisors is an integer number (18058588).

Almost surely, 2^93144247 is an apocalyptic number.

93144247 is a deficient number, since it is larger than the sum of its proper divisors (15207281).

93144247 is a wasteful number, since it uses less digits than its factorization.

93144247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900917 (or 1900910 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 93144247 is about 9651.1267217875. The cubic root of 93144247 is about 453.2996099601.

The spelling of 93144247 in words is "ninety-three million, one hundred forty-four thousand, two hundred forty-seven".