9911802 has 16 divisors (see below), whose sum is σ = 19891872. Its totient is φ = 3292560.

The previous prime is 9911789. The next prime is 9911809. The reversal of 9911802 is 2081199.

It is a self number, because there is not a number n which added to its sum of digits gives 9911802.

It is not an unprimeable number, because it can be changed into a prime (9911809) 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, 849 + ... + 4532.

It is an arithmetic number, because the mean of its divisors is an integer number (1243242).

Almost surely, 2^9911802 is an apocalyptic number.

9911802 is an abundant number, since it is smaller than the sum of its proper divisors (9980070).

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

9911802 is a wasteful number, since it uses less digits than its factorization.

9911802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5693.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 9911802 is about 3148.3014468122. The cubic root of 9911802 is about 214.8082082663.

The spelling of 9911802 in words is "nine million, nine hundred eleven thousand, eight hundred two".