434387812 has 12 divisors (see below), whose sum is σ = 760333420. Its totient is φ = 217149696.

The previous prime is 434387809. The next prime is 434387813. The reversal of 434387812 is 218783434.

It can be written as a sum of positive squares in 2 ways, for example, as 386279716 + 48108096 = 19654^2 + 6936^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (434387813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22108 + ... + 36844.

Almost surely, 2^434387812 is an apocalyptic number.

It is an amenable number.

434387812 is a deficient number, since it is larger than the sum of its proper divisors (325945608).

434387812 is a wasteful number, since it uses less digits than its factorization.

434387812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22110 (or 22108 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 434387812 is about 20841.9723634785. The cubic root of 434387812 is about 757.3428746780.

The spelling of 434387812 in words is "four hundred thirty-four million, three hundred eighty-seven thousand, eight hundred twelve".