8457834 has 32 divisors (see below), whose sum is σ = 21090816. Its totient is φ = 2196720.

The previous prime is 8457811. The next prime is 8457847. The reversal of 8457834 is 4387548.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8457792 and 8457801.

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, 8692 + ... + 9615.

It is an arithmetic number, because the mean of its divisors is an integer number (659088).

Almost surely, 2^8457834 is an apocalyptic number.

8457834 is an abundant number, since it is smaller than the sum of its proper divisors (12632982).

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

8457834 is a wasteful number, since it uses less digits than its factorization.

8457834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18330.

The product of its digits is 107520, while the sum is 39.

The square root of 8457834 is about 2908.2355475442. The cubic root of 8457834 is about 203.7447306904.

The spelling of 8457834 in words is "eight million, four hundred fifty-seven thousand, eight hundred thirty-four".