83858 has 8 divisors (see below), whose sum is σ = 131328. Its totient is φ = 40084.

The previous prime is 83857. The next prime is 83869. The reversal of 83858 is 85838.

It is a happy number.

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

It is an Ulam number.

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

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (83857) 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, 866 + ... + 957.

It is an arithmetic number, because the mean of its divisors is an integer number (16416).

2⁸³⁸⁵⁸ is an apocalyptic number.

83858 is a deficient number, since it is larger than the sum of its proper divisors (47470).

83858 is a wasteful number, since it uses less digits than its factorization.

83858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848.

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

The square root of 83858 is about 289.5824580323. The cubic root of 83858 is about 43.7704992370.

The spelling of 83858 in words is "eighty-three thousand, eight hundred fifty-eight".