214151983 has 4 divisors (see below), whose sum is σ = 225423160. Its totient is φ = 202880808.

The previous prime is 214151981. The next prime is 214152013. The reversal of 214151983 is 389151412.

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 214151983 - 2¹ = 214151981 is a prime.

It is a super-2 number, since 2×214151983² = 91722143645664578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214151981) 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, 5635560 + ... + 5635597.

It is an arithmetic number, because the mean of its divisors is an integer number (56355790).

Almost surely, 2^214151983 is an apocalyptic number.

214151983 is a deficient number, since it is larger than the sum of its proper divisors (11271177).

214151983 is a wasteful number, since it uses less digits than its factorization.

214151983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11271176.

The product of its digits is 8640, while the sum is 34.

The square root of 214151983 is about 14633.9325883373. The cubic root of 214151983 is about 598.2839698949.

The spelling of 214151983 in words is "two hundred fourteen million, one hundred fifty-one thousand, nine hundred eighty-three".