8491434 has 32 divisors (see below), whose sum is σ = 19533696. Its totient is φ = 2410560.

The previous prime is 8491429. The next prime is 8491451. The reversal of 8491434 is 4341948.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8491395 and 8491404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7044 + ... + 8160.

It is an arithmetic number, because the mean of its divisors is an integer number (610428).

Almost surely, 2^8491434 is an apocalyptic number.

8491434 is an abundant number, since it is smaller than the sum of its proper divisors (11042262).

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

8491434 is a wasteful number, since it uses less digits than its factorization.

8491434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310.

The product of its digits is 13824, while the sum is 33.

The square root of 8491434 is about 2914.0065202398. The cubic root of 8491434 is about 204.0141762544.

It can be divided in two parts, 84914 and 34, that added together give a palindrome (84948).

The spelling of 8491434 in words is "eight million, four hundred ninety-one thousand, four hundred thirty-four".