85390 has 8 divisors (see below), whose sum is σ = 153720. Its totient is φ = 34152.

The previous prime is 85381. The next prime is 85411. The reversal of 85390 is 9358.

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

It is a congruent number.

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, 4260 + ... + 4279.

It is an arithmetic number, because the mean of its divisors is an integer number (19215).

2⁸⁵³⁹⁰ is an apocalyptic number.

85390 is a deficient number, since it is larger than the sum of its proper divisors (68330).

85390 is a wasteful number, since it uses less digits than its factorization.

85390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8546.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 85390 is about 292.2156737754. The cubic root of 85390 is about 44.0354397670.

The spelling of 85390 in words is "eighty-five thousand, three hundred ninety".