9890712 has 48 divisors (see below), whose sum is σ = 28850640. Its totient is φ = 3043008.

The previous prime is 9890693. The next prime is 9890737. The reversal of 9890712 is 2170989.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4348 + ... + 6219.

It is an arithmetic number, because the mean of its divisors is an integer number (601055).

Almost surely, 2^9890712 is an apocalyptic number.

It is an amenable number.

9890712 is an abundant number, since it is smaller than the sum of its proper divisors (18959928).

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

9890712 is a wasteful number, since it uses less digits than its factorization.

9890712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10592 (or 10585 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 9890712 is about 3144.9502380801. The cubic root of 9890712 is about 214.6557461792.

The spelling of 9890712 in words is "nine million, eight hundred ninety thousand, seven hundred twelve".