93840220 has 12 divisors (see below), whose sum is σ = 197064504. Its totient is φ = 37536080.

The previous prime is 93840199. The next prime is 93840223. The reversal of 93840220 is 2204839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93840223) 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, 2345986 + ... + 2346025.

It is an arithmetic number, because the mean of its divisors is an integer number (16422042).

Almost surely, 2^93840220 is an apocalyptic number.

It is an amenable number.

93840220 is an abundant number, since it is smaller than the sum of its proper divisors (103224284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

93840220 is a wasteful number, since it uses less digits than its factorization.

93840220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4692020 (or 4692018 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 93840220 is about 9687.1161859451. The cubic root of 93840220 is about 454.4258264825.

The spelling of 93840220 in words is "ninety-three million, eight hundred forty thousand, two hundred twenty".