9864834 has 32 divisors (see below), whose sum is σ = 22646400. Its totient is φ = 2806272.

The previous prime is 9864823. The next prime is 9864839. The reversal of 9864834 is 4384689.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9864839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14322 + ... + 14994.

It is an arithmetic number, because the mean of its divisors is an integer number (707700).

Almost surely, 2^9864834 is an apocalyptic number.

9864834 is an abundant number, since it is smaller than the sum of its proper divisors (12781566).

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

9864834 is a wasteful number, since it uses less digits than its factorization.

9864834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034.

The product of its digits is 165888, while the sum is 42.

The square root of 9864834 is about 3140.8333289113. The cubic root of 9864834 is about 214.4683746660.

The spelling of 9864834 in words is "nine million, eight hundred sixty-four thousand, eight hundred thirty-four".