9959814 has 16 divisors (see below), whose sum is σ = 22133040. Its totient is φ = 3319920.

The previous prime is 9959801. The next prime is 9959827. The reversal of 9959814 is 4189599.

It is an interprime number because it is at equal distance from previous prime (9959801) and next prime (9959827).

It is a self number, because there is not a number n which added to its sum of digits gives 9959814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92167 + ... + 92274.

It is an arithmetic number, because the mean of its divisors is an integer number (1383315).

Almost surely, 2^9959814 is an apocalyptic number.

9959814 is an abundant number, since it is smaller than the sum of its proper divisors (12173226).

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

9959814 is a wasteful number, since it uses less digits than its factorization.

9959814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184452 (or 184446 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 9959814 is about 3155.9172992967. The cubic root of 9959814 is about 215.1544878487.

The spelling of 9959814 in words is "nine million, nine hundred fifty-nine thousand, eight hundred fourteen".