85853240 has 32 divisors (see below), whose sum is σ = 210731760. Its totient is φ = 31219200.

The previous prime is 85853239. The next prime is 85853249. The reversal of 85853240 is 4235858.

It is a self number, because there is not a number n which added to its sum of digits gives 85853240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85853249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97121 + ... + 98000.

Almost surely, 2^85853240 is an apocalyptic number.

It is an amenable number.

85853240 is an abundant number, since it is smaller than the sum of its proper divisors (124878520).

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

85853240 is a wasteful number, since it uses less digits than its factorization.

85853240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195143 (or 195139 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 85853240 is about 9265.7023479065. The cubic root of 85853240 is about 441.1492682557.

The spelling of 85853240 in words is "eighty-five million, eight hundred fifty-three thousand, two hundred forty".