93278216 has 16 divisors (see below), whose sum is σ = 175260240. Its totient is φ = 46542160.

The previous prime is 93278197. The next prime is 93278219. The reversal of 93278216 is 61287239.

It is a self number, because there is not a number n which added to its sum of digits gives 93278216.

It is not an unprimeable number, because it can be changed into a prime (93278219) 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, 7946 + ... + 15801.

It is an arithmetic number, because the mean of its divisors is an integer number (10953765).

Almost surely, 2^93278216 is an apocalyptic number.

It is an amenable number.

93278216 is a deficient number, since it is larger than the sum of its proper divisors (81982024).

93278216 is a wasteful number, since it uses less digits than its factorization.

93278216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24244 (or 24240 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 93278216 is about 9658.0648165147. The cubic root of 93278216 is about 453.5168321922.

The spelling of 93278216 in words is "ninety-three million, two hundred seventy-eight thousand, two hundred sixteen".