434430666 has 24 divisors (see below), whose sum is σ = 941803200. Its totient is φ = 144727656.

The previous prime is 434430641. The next prime is 434430679. The reversal of 434430666 is 666034434.

It is a super-2 number, since 2×434430666² = 377460007122407112, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 434430666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31285 + ... + 42983.

It is an arithmetic number, because the mean of its divisors is an integer number (39241800).

Almost surely, 2^434430666 is an apocalyptic number.

434430666 is an abundant number, since it is smaller than the sum of its proper divisors (507372534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

434430666 is a wasteful number, since it uses less digits than its factorization.

434430666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13770 (or 13767 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The square root of 434430666 is about 20843.0004078108. Note that the first 3 decimals coincide. The cubic root of 434430666 is about 757.3677787717.

The spelling of 434430666 in words is "four hundred thirty-four million, four hundred thirty thousand, six hundred sixty-six".