8749434 has 8 divisors (see below), whose sum is σ = 17498880. Its totient is φ = 2916476.

The previous prime is 8749423. The next prime is 8749439. The reversal of 8749434 is 4349478.

It is a sphenic number, since it is the product of 3 distinct primes.

8749434 is an admirable number.

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

It is a junction number, because it is equal to n+sod(n) for n = 8749392 and 8749401.

It is not an unprimeable number, because it can be changed into a prime (8749439) 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, 729114 + ... + 729125.

It is an arithmetic number, because the mean of its divisors is an integer number (2187360).

Almost surely, 2^8749434 is an apocalyptic number.

8749434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8749434 is a wasteful number, since it uses less digits than its factorization.

8749434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458244.

The product of its digits is 96768, while the sum is 39.

The square root of 8749434 is about 2957.9442185410. The cubic root of 8749434 is about 206.0598217566.

The spelling of 8749434 in words is "eight million, seven hundred forty-nine thousand, four hundred thirty-four".