983215 has 4 divisors (see below), whose sum is σ = 1179864. Its totient is φ = 786568.

The previous prime is 983209. The next prime is 983233. The reversal of 983215 is 512389.

983215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 983215 - 2⁹ = 982703 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98317 + ... + 98326.

It is an arithmetic number, because the mean of its divisors is an integer number (294966).

2⁹⁸³²¹⁵ is an apocalyptic number.

983215 is a deficient number, since it is larger than the sum of its proper divisors (196649).

983215 is a wasteful number, since it uses less digits than its factorization.

983215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196648.

The product of its digits is 2160, while the sum is 28.

The square root of 983215 is about 991.5719842755. The cubic root of 983215 is about 99.4373400758.

The spelling of 983215 in words is "nine hundred eighty-three thousand, two hundred fifteen".