214743994 has 4 divisors (see below), whose sum is σ = 322115994. Its totient is φ = 107371996.

The previous prime is 214743989. The next prime is 214744003. The reversal of 214743994 is 499347412.

214743994 is digitally balanced in base 3, 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 can be written as a sum of positive squares in only one way, i.e., 170694225 + 44049769 = 13065^2 + 6637^2 .

It is a super-2 number, since 2×214743994² = 92229965918144072, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 214743994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53685997 + ... + 53686000.

Almost surely, 2^214743994 is an apocalyptic number.

214743994 is a deficient number, since it is larger than the sum of its proper divisors (107372000).

214743994 is a wasteful number, since it uses less digits than its factorization.

214743994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107371999.

The product of its digits is 217728, while the sum is 43.

The square root of 214743994 is about 14654.1459662445. The cubic root of 214743994 is about 598.8347700115.

The spelling of 214743994 in words is "two hundred fourteen million, seven hundred forty-three thousand, nine hundred ninety-four".