214203434 has 32 divisors (see below), whose sum is σ = 358008336. Its totient is φ = 95662080.

The previous prime is 214203433. The next prime is 214203449. The reversal of 214203434 is 434302412.

It can be written as a sum of positive squares in 8 ways, for example, as 56776225 + 157427209 = 7535^2 + 12547^2 .

It is a super-2 number, since 2×214203434² = 91766222274784712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214203433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49502 + ... + 53654.

Almost surely, 2^214203434 is an apocalyptic number.

214203434 is a deficient number, since it is larger than the sum of its proper divisors (143804902).

214203434 is a wasteful number, since it uses less digits than its factorization.

214203434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 214203434 is about 14635.6904176059. The cubic root of 214203434 is about 598.3318795512.

Adding to 214203434 its reverse (434302412), we get a palindrome (648505846).

It can be divided in two parts, 2142034 and 34, that multiplied together give a square (72829156 = 8534²).

The spelling of 214203434 in words is "two hundred fourteen million, two hundred three thousand, four hundred thirty-four".