9872534 has 8 divisors (see below), whose sum is σ = 16924368. Its totient is φ = 4231080.

The previous prime is 9872521. The next prime is 9872567. The reversal of 9872534 is 4352789.

9872534 = T₁₆₇₆ + T₁₆₇₇ + ... + T₁₆₈₂.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 352577 + ... + 352604.

It is an arithmetic number, because the mean of its divisors is an integer number (2115546).

Almost surely, 2^9872534 is an apocalyptic number.

9872534 is a deficient number, since it is larger than the sum of its proper divisors (7051834).

9872534 is a wasteful number, since it uses less digits than its factorization.

9872534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705190.

The product of its digits is 60480, while the sum is 38.

The square root of 9872534 is about 3142.0588791428. The cubic root of 9872534 is about 214.5241612781.

The spelling of 9872534 in words is "nine million, eight hundred seventy-two thousand, five hundred thirty-four".