85884242 has 4 divisors (see below), whose sum is σ = 128826366. Its totient is φ = 42942120.

The previous prime is 85884241. The next prime is 85884257. The reversal of 85884242 is 24248858.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 77246521 + 8637721 = 8789^2 + 2939^2 .

It is a super-2 number, since 2×85884242² = 14752206047829128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85884242.

It is not an unprimeable number, because it can be changed into a prime (85884241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21471059 + ... + 21471062.

Almost surely, 2^85884242 is an apocalyptic number.

85884242 is a deficient number, since it is larger than the sum of its proper divisors (42942124).

85884242 is a wasteful number, since it uses less digits than its factorization.

85884242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42942123.

The product of its digits is 163840, while the sum is 41.

The square root of 85884242 is about 9267.3751407829. The cubic root of 85884242 is about 441.2023622089.

The spelling of 85884242 in words is "eighty-five million, eight hundred eighty-four thousand, two hundred forty-two".