85230340 has 24 divisors (see below), whose sum is σ = 192752280. Its totient is φ = 31469568.

The previous prime is 85230331. The next prime is 85230361. The reversal of 85230340 is 4303258.

It can be written as a sum of positive squares in 4 ways, for example, as 17859076 + 67371264 = 4226^2 + 8208^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163645 + ... + 164164.

It is an arithmetic number, because the mean of its divisors is an integer number (8031345).

Almost surely, 2^85230340 is an apocalyptic number.

It is an amenable number.

85230340 is an abundant number, since it is smaller than the sum of its proper divisors (107521940).

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

85230340 is a wasteful number, since it uses less digits than its factorization.

85230340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327831 (or 327829 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 85230340 is about 9232.0279462315. The cubic root of 85230340 is about 440.0797720378.

Adding to 85230340 its reverse (4303258), we get a palindrome (89533598).

The spelling of 85230340 in words is "eighty-five million, two hundred thirty thousand, three hundred forty".