85432841 has 8 divisors (see below), whose sum is σ = 92079624. Its totient is φ = 78796800.

The previous prime is 85432819. The next prime is 85432877. The reversal of 85432841 is 14823458.

It can be written as a sum of positive squares in 4 ways, for example, as 11833600 + 73599241 = 3440^2 + 8579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85432841 - 2⁶ = 85432777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85432141) 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, 22985 + ... + 26441.

It is an arithmetic number, because the mean of its divisors is an integer number (11509953).

Almost surely, 2^85432841 is an apocalyptic number.

It is an amenable number.

85432841 is a deficient number, since it is larger than the sum of its proper divisors (6646783).

85432841 is a wasteful number, since it uses less digits than its factorization.

85432841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371.

The product of its digits is 30720, while the sum is 35.

The square root of 85432841 is about 9242.9887482351. The cubic root of 85432841 is about 440.4280287297.

The spelling of 85432841 in words is "eighty-five million, four hundred thirty-two thousand, eight hundred forty-one".