421168085 has 8 divisors (see below), whose sum is σ = 544278840. Its totient is φ = 311016384.

The previous prime is 421168061. The next prime is 421168087. The reversal of 421168085 is 580861124.

421168085 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 58874929 + 362293156 = 7673^2 + 19034^2 .

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 421168085 - 2⁶ = 421168021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421168087) 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, 3239690 + ... + 3239819.

It is an arithmetic number, because the mean of its divisors is an integer number (68034855).

Almost surely, 2^421168085 is an apocalyptic number.

It is an amenable number.

421168085 is a deficient number, since it is larger than the sum of its proper divisors (123110755).

421168085 is a wasteful number, since it uses less digits than its factorization.

421168085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6479527.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 421168085 is about 20522.3801007583. The cubic root of 421168085 is about 749.5808532057.

The spelling of 421168085 in words is "four hundred twenty-one million, one hundred sixty-eight thousand, eighty-five".