9902982 has 16 divisors (see below), whose sum is σ = 19844352. Its totient is φ = 3294600.

The previous prime is 9902951. The next prime is 9902983. The reversal of 9902982 is 2892099.

9902982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9902982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9902983) 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, 2607 + ... + 5157.

It is an arithmetic number, because the mean of its divisors is an integer number (1240272).

Almost surely, 2^9902982 is an apocalyptic number.

9902982 is an abundant number, since it is smaller than the sum of its proper divisors (9941370).

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

9902982 is a wasteful number, since it uses less digits than its factorization.

9902982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 9902982 is about 3146.9003797388. The cubic root of 9902982 is about 214.7444737861.

The spelling of 9902982 in words is "nine million, nine hundred two thousand, nine hundred eighty-two".