85685401 has 8 divisors (see below), whose sum is σ = 88744320. Its totient is φ = 82633488.

The previous prime is 85685399. The next prime is 85685407. The reversal of 85685401 is 10458658.

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 85685401 - 2¹ = 85685399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85685407) 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, 42130 + ... + 44116.

It is an arithmetic number, because the mean of its divisors is an integer number (11093040).

Almost surely, 2^85685401 is an apocalyptic number.

It is an amenable number.

85685401 is a deficient number, since it is larger than the sum of its proper divisors (3058919).

85685401 is a wasteful number, since it uses less digits than its factorization.

85685401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 85685401 is about 9256.6409134199. The cubic root of 85685401 is about 440.8616054407.

The spelling of 85685401 in words is "eighty-five million, six hundred eighty-five thousand, four hundred one".