85591394 has 8 divisors (see below), whose sum is σ = 146728128. Its totient is φ = 36682020.

The previous prime is 85591381. The next prime is 85591417. The reversal of 85591394 is 49319558.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3056822 + ... + 3056849.

It is an arithmetic number, because the mean of its divisors is an integer number (18341016).

Almost surely, 2^85591394 is an apocalyptic number.

85591394 is a deficient number, since it is larger than the sum of its proper divisors (61136734).

85591394 is a wasteful number, since it uses less digits than its factorization.

85591394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6113680.

The product of its digits is 194400, while the sum is 44.

The square root of 85591394 is about 9251.5617060040. The cubic root of 85591394 is about 440.7003207020.

The spelling of 85591394 in words is "eighty-five million, five hundred ninety-one thousand, three hundred ninety-four".