9892985 has 4 divisors (see below), whose sum is σ = 11871588. Its totient is φ = 7914384.

The previous prime is 9892957. The next prime is 9893003. The reversal of 9892985 is 5892989.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1290496 + 8602489 = 1136^2 + 2933^2 .

It is a cyclic number.

It is not a de Polignac number, because 9892985 - 2¹² = 9888889 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989294 + ... + 989303.

It is an arithmetic number, because the mean of its divisors is an integer number (2967897).

Almost surely, 2^9892985 is an apocalyptic number.

It is an amenable number.

9892985 is a deficient number, since it is larger than the sum of its proper divisors (1978603).

9892985 is a wasteful number, since it uses less digits than its factorization.

9892985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978602.

The product of its digits is 466560, while the sum is 50.

The square root of 9892985 is about 3145.3115902880. The cubic root of 9892985 is about 214.6721883774.

The spelling of 9892985 in words is "nine million, eight hundred ninety-two thousand, nine hundred eighty-five".