8493434 has 4 divisors (see below), whose sum is σ = 12740154. Its totient is φ = 4246716.

The previous prime is 8493431. The next prime is 8493439. The reversal of 8493434 is 4343948.

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., 5593225 + 2900209 = 2365^2 + 1703^2 .

It is a super-2 number, since 2×8493434² = 144276842224712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8493394 and 8493403.

It is not an unprimeable number, because it can be changed into a prime (8493431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2123357 + ... + 2123360.

Almost surely, 2^8493434 is an apocalyptic number.

8493434 is a deficient number, since it is larger than the sum of its proper divisors (4246720).

8493434 is a wasteful number, since it uses less digits than its factorization.

8493434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4246719.

The product of its digits is 41472, while the sum is 35.

The square root of 8493434 is about 2914.3496701666. The cubic root of 8493434 is about 204.0301922505.

The spelling of 8493434 in words is "eight million, four hundred ninety-three thousand, four hundred thirty-four".