9872351 has 4 divisors (see below), whose sum is σ = 9900672. Its totient is φ = 9844032.

The previous prime is 9872347. The next prime is 9872371. The reversal of 9872351 is 1532789.

9872351 is nontrivially palindromic in base 6.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1532789 = 23 ⋅66643.

It is a cyclic number.

It is not a de Polignac number, because 9872351 - 2² = 9872347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9872311) 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, 13631 + ... + 14336.

It is an arithmetic number, because the mean of its divisors is an integer number (2475168).

Almost surely, 2^9872351 is an apocalyptic number.

9872351 is a deficient number, since it is larger than the sum of its proper divisors (28321).

9872351 is a wasteful number, since it uses less digits than its factorization.

9872351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28320.

The product of its digits is 15120, while the sum is 35.

The square root of 9872351 is about 3142.0297579749. The cubic root of 9872351 is about 214.5228357770.

The spelling of 9872351 in words is "nine million, eight hundred seventy-two thousand, three hundred fifty-one".