8999434 has 4 divisors (see below), whose sum is σ = 13499154. Its totient is φ = 4499716.

The previous prime is 8999429. The next prime is 8999437. The reversal of 8999434 is 4349998.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4349998 = 2 ⋅2174999.

It can be written as a sum of positive squares in only one way, i.e., 6487209 + 2512225 = 2547^2 + 1585^2 .

It is not an unprimeable number, because it can be changed into a prime (8999437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2249857 + ... + 2249860.

Almost surely, 2^8999434 is an apocalyptic number.

8999434 is a deficient number, since it is larger than the sum of its proper divisors (4499720).

8999434 is a wasteful number, since it uses less digits than its factorization.

8999434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4499719.

The product of its digits is 279936, while the sum is 46.

The square root of 8999434 is about 2999.9056651835. The cubic root of 8999434 is about 208.0040217418.

The spelling of 8999434 in words is "eight million, nine hundred ninety-nine thousand, four hundred thirty-four".