85730384 has 20 divisors (see below), whose sum is σ = 173325216. Its totient is φ = 41001312.

The previous prime is 85730377. The next prime is 85730389. The reversal of 85730384 is 48303758.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85730389) 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, 116114 + ... + 116849.

Almost surely, 2^85730384 is an apocalyptic number.

It is an amenable number.

85730384 is an abundant number, since it is smaller than the sum of its proper divisors (87594832).

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

85730384 is a wasteful number, since it uses less digits than its factorization.

85730384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232994 (or 232988 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 85730384 is about 9259.0703637028. The cubic root of 85730384 is about 440.9387395773.

The spelling of 85730384 in words is "eighty-five million, seven hundred thirty thousand, three hundred eighty-four".