214578983 has 4 divisors (see below), whose sum is σ = 223908528. Its totient is φ = 205249440.

The previous prime is 214578979. The next prime is 214579007. The reversal of 214578983 is 389875412.

It is a happy number.

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 214578983 - 2² = 214578979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214578283) 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, 4664738 + ... + 4664783.

It is an arithmetic number, because the mean of its divisors is an integer number (55977132).

Almost surely, 2^214578983 is an apocalyptic number.

214578983 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

214578983 is a deficient number, since it is larger than the sum of its proper divisors (9329545).

214578983 is an equidigital number, since it uses as much as digits as its factorization.

214578983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9329544.

The product of its digits is 483840, while the sum is 47.

The square root of 214578983 is about 14648.5147028632. The cubic root of 214578983 is about 598.6813475679.

The spelling of 214578983 in words is "two hundred fourteen million, five hundred seventy-eight thousand, nine hundred eighty-three".