434013889 has 9 divisors (see below), whose sum is σ = 441063169. Its totient is φ = 427076500.

The previous prime is 434013883. The next prime is 434013907. The reversal of 434013889 is 988310434.

The square root of 434013889 is 20833.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-434013889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434013883) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1729014 + ... + 1729264.

Almost surely, 2^434013889 is an apocalyptic number.

434013889 is the 20833-rd square number.

434013889 is the 10417-th centered octagonal number.

It is an amenable number.

434013889 is a deficient number, since it is larger than the sum of its proper divisors (7049280).

434013889 is an frugal number, since it uses more digits than its factorization.

434013889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The cubic root of 434013889 is about 757.1255042337.

Multiplying 434013889 by its product of nonzero digits (82944), we get a square (35998848009216 = 5999904²).

The spelling of 434013889 in words is "four hundred thirty-four million, thirteen thousand, eight hundred eighty-nine".