85943461 has 4 divisors (see below), whose sum is σ = 85963852. Its totient is φ = 85923072.

The previous prime is 85943447. The next prime is 85943477. The reversal of 85943461 is 16434958.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16434958 = 2 ⋅8217479.

It can be written as a sum of positive squares in 2 ways, for example, as 15484225 + 70459236 = 3935^2 + 8394^2 .

It is a cyclic number.

It is not a de Polignac number, because 85943461 - 2⁹ = 85942949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85943861) 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, 1266 + ... + 13171.

It is an arithmetic number, because the mean of its divisors is an integer number (21490963).

Almost surely, 2^85943461 is an apocalyptic number.

It is an amenable number.

85943461 is a deficient number, since it is larger than the sum of its proper divisors (20391).

85943461 is a wasteful number, since it uses less digits than its factorization.

85943461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20390.

The product of its digits is 103680, while the sum is 40.

The square root of 85943461 is about 9270.5696157248. The cubic root of 85943461 is about 441.3037450284.

The spelling of 85943461 in words is "eighty-five million, nine hundred forty-three thousand, four hundred sixty-one".