214304434 has 4 divisors (see below), whose sum is σ = 321456654. Its totient is φ = 107152216.

The previous prime is 214304399. The next prime is 214304437. The reversal of 214304434 is 434403412.

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., 141253225 + 73051209 = 11885^2 + 8547^2 .

It is a junction number, because it is equal to n+sod(n) for n = 214304399 and 214304408.

It is not an unprimeable number, because it can be changed into a prime (214304437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53576107 + ... + 53576110.

Almost surely, 2^214304434 is an apocalyptic number.

214304434 is a deficient number, since it is larger than the sum of its proper divisors (107152220).

214304434 is a wasteful number, since it uses less digits than its factorization.

214304434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107152219.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 214304434 is about 14639.1404802331. The cubic root of 214304434 is about 598.4259054702.

Adding to 214304434 its reverse (434403412), we get a palindrome (648707846).

The spelling of 214304434 in words is "two hundred fourteen million, three hundred four thousand, four hundred thirty-four".