83390 has 16 divisors (see below), whose sum is σ = 155520. Its totient is φ = 32160.

The previous prime is 83389. The next prime is 83399. The reversal of 83390 is 9338.

It is a Curzon number.

It is a plaindrome in base 14 and base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 83390.

It is not an unprimeable number, because it can be changed into a prime (83399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176 + ... + 444.

It is an arithmetic number, because the mean of its divisors is an integer number (9720).

2⁸³³⁹⁰ is an apocalyptic number.

83390 is a deficient number, since it is larger than the sum of its proper divisors (72130).

83390 is a wasteful number, since it uses less digits than its factorization.

83390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 83390 is about 288.7732674608. The cubic root of 83390 is about 43.6889215721.

The spelling of 83390 in words is "eighty-three thousand, three hundred ninety".