807844234 has 4 divisors (see below), whose sum is σ = 1211766354. Its totient is φ = 403922116.

The previous prime is 807844217. The next prime is 807844237. The reversal of 807844234 is 432448708.

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., 431600625 + 376243609 = 20775^2 + 19397^2 .

It is a super-2 number, since 2×807844234² = 1305224612814093512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (807844237) 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 as a sum of consecutive naturals, namely, 201961057 + ... + 201961060.

Almost surely, 2^807844234 is an apocalyptic number.

807844234 is a deficient number, since it is larger than the sum of its proper divisors (403922120).

807844234 is a wasteful number, since it uses less digits than its factorization.

807844234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403922119.

The product of its (nonzero) digits is 172032, while the sum is 40.

The square root of 807844234 is about 28422.6007606623. The cubic root of 807844234 is about 931.3420459203.

The spelling of 807844234 in words is "eight hundred seven million, eight hundred forty-four thousand, two hundred thirty-four".