9801887 has 8 divisors (see below), whose sum is σ = 10278240. Its totient is φ = 9329760.

The previous prime is 9801881. The next prime is 9801889. The reversal of 9801887 is 7881089.

9801887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9801887 - 2¹² = 9797791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9801881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4337 + ... + 6197.

It is an arithmetic number, because the mean of its divisors is an integer number (1284780).

Almost surely, 2^9801887 is an apocalyptic number.

9801887 is a deficient number, since it is larger than the sum of its proper divisors (476353).

9801887 is a wasteful number, since it uses less digits than its factorization.

9801887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113.

The product of its (nonzero) digits is 32256, while the sum is 41.

The square root of 9801887 is about 3130.7965440124. The cubic root of 9801887 is about 214.0112303770.

The spelling of 9801887 in words is "nine million, eight hundred one thousand, eight hundred eighty-seven".