9862872 has 16 divisors (see below), whose sum is σ = 24657240. Its totient is φ = 3287616.

The previous prime is 9862861. The next prime is 9862877. The reversal of 9862872 is 2782689.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9862877) 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, 205453 + ... + 205500.

Almost surely, 2^9862872 is an apocalyptic number.

It is an amenable number.

9862872 is an abundant number, since it is smaller than the sum of its proper divisors (14794368).

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

9862872 is a wasteful number, since it uses less digits than its factorization.

9862872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410962 (or 410958 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 9862872 is about 3140.5209758892. The cubic root of 9862872 is about 214.4541553069.

The spelling of 9862872 in words is "nine million, eight hundred sixty-two thousand, eight hundred seventy-two".