9896990 has 32 divisors (see below), whose sum is σ = 18506880. Its totient is φ = 3808000.

The previous prime is 9896989. The next prime is 9897001. The reversal of 9896990 is 996989.

It is a super-2 number, since 2×9896990² = 195900822120200, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41291 + ... + 41529.

It is an arithmetic number, because the mean of its divisors is an integer number (578340).

Almost surely, 2^9896990 is an apocalyptic number.

9896990 is a deficient number, since it is larger than the sum of its proper divisors (8609890).

9896990 is a wasteful number, since it uses less digits than its factorization.

9896990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388.

The product of its (nonzero) digits is 314928, while the sum is 50.

The square root of 9896990 is about 3145.9481877488. The cubic root of 9896990 is about 214.7011532153.

The spelling of 9896990 in words is "nine million, eight hundred ninety-six thousand, nine hundred ninety".