85838 has 8 divisors (see below), whose sum is σ = 130032. Its totient is φ = 42496.

The previous prime is 85837. The next prime is 85843. The reversal of 85838 is 83858.

It is a happy number.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85831) 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, 206 + ... + 462.

It is an arithmetic number, because the mean of its divisors is an integer number (16254).

2⁸⁵⁸³⁸ is an apocalyptic number.

85838 is a deficient number, since it is larger than the sum of its proper divisors (44194).

85838 is a wasteful number, since it uses less digits than its factorization.

85838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426.

The product of its digits is 7680, while the sum is 32.

The square root of 85838 is about 292.9812280676. The cubic root of 85838 is about 44.1123163581.

The spelling of 85838 in words is "eighty-five thousand, eight hundred thirty-eight".