415983 has 4 divisors (see below), whose sum is σ = 554648. Its totient is φ = 277320.

The previous prime is 415979. The next prime is 415993. The reversal of 415983 is 389514.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 415983 - 2² = 415979 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 415983.

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 415983.

It is not an unprimeable number, because it can be changed into a prime (415963) 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, 69328 + ... + 69333.

It is an arithmetic number, because the mean of its divisors is an integer number (138662).

2⁴¹⁵⁹⁸³ is an apocalyptic number.

415983 is a deficient number, since it is larger than the sum of its proper divisors (138665).

415983 is a wasteful number, since it uses less digits than its factorization.

415983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138664.

The product of its digits is 4320, while the sum is 30.

The square root of 415983 is about 644.9674410387. The cubic root of 415983 is about 74.6492062525.

The spelling of 415983 in words is "four hundred fifteen thousand, nine hundred eighty-three".