85984001 has 4 divisors (see below), whose sum is σ = 86870532. Its totient is φ = 85097472.

The previous prime is 85983983. The next prime is 85984007. The reversal of 85984001 is 10048958.

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

It can be written as a sum of positive squares in 2 ways, for example, as 65044225 + 20939776 = 8065^2 + 4576^2 .

It is a cyclic number.

It is not a de Polignac number, because 85984001 - 2¹⁴ = 85967617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85984007) 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, 443120 + ... + 443313.

It is an arithmetic number, because the mean of its divisors is an integer number (21717633).

Almost surely, 2^85984001 is an apocalyptic number.

It is an amenable number.

85984001 is a deficient number, since it is larger than the sum of its proper divisors (886531).

85984001 is an equidigital number, since it uses as much as digits as its factorization.

85984001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886530.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 85984001 is about 9272.7558471039. The cubic root of 85984001 is about 441.3731225833.

The spelling of 85984001 in words is "eighty-five million, nine hundred eighty-four thousand, one".