9897914 has 12 divisors (see below), whose sum is σ = 16014894. Its totient is φ = 4560864.

The previous prime is 9897913. The next prime is 9897919. The reversal of 9897914 is 4197989.

It can be written as a sum of positive squares in 3 ways, for example, as 1283689 + 8614225 = 1133^2 + 2935^2 .

It is not an unprimeable number, because it can be changed into a prime (9897913) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 15734 + ... + 16350.

Almost surely, 2^9897914 is an apocalyptic number.

9897914 is a deficient number, since it is larger than the sum of its proper divisors (6116980).

9897914 is an equidigital number, since it uses as much as digits as its factorization.

9897914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249 (or 632 counting only the distinct ones).

The product of its digits is 163296, while the sum is 47.

The square root of 9897914 is about 3146.0950398867. The cubic root of 9897914 is about 214.7078346303.

It can be divided in two parts, 989 and 7914, that multiplied together give a triangular number (7826946 = T₃₉₅₆).

The spelling of 9897914 in words is "nine million, eight hundred ninety-seven thousand, nine hundred fourteen".