83455 has 4 divisors (see below), whose sum is σ = 100152. Its totient is φ = 66760.
The previous prime is 83449. The next prime is 83459. The reversal of 83455 is 55438.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 83455 - 25 = 83423 is a prime.
It is a Duffinian number.
83455 is a lucky number.
It is a plaindrome in base 11 and base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83459) 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, 8341 + ... + 8350.
It is an arithmetic number, because the mean of its divisors is an integer number (25038).
283455 is an apocalyptic number.
83455 is a deficient number, since it is larger than the sum of its proper divisors (16697).
83455 is a wasteful number, since it uses less digits than its factorization.
83455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16696.
The product of its digits is 2400, while the sum is 25.
The square root of 83455 is about 288.8857905817. The cubic root of 83455 is about 43.7002700247.
The spelling of 83455 in words is "eighty-three thousand, four hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •