9802947 has 16 divisors (see below), whose sum is σ = 16296192. Its totient is φ = 5092320.

The previous prime is 9802921. The next prime is 9802963. The reversal of 9802947 is 7492089.

It is not a de Polignac number, because 9802947 - 2⁸ = 9802691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9802987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20988 + ... + 21449.

It is an arithmetic number, because the mean of its divisors is an integer number (1018512).

Almost surely, 2^9802947 is an apocalyptic number.

9802947 is a deficient number, since it is larger than the sum of its proper divisors (6493245).

9802947 is a wasteful number, since it uses less digits than its factorization.

9802947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42458.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 9802947 is about 3130.9658254283. The cubic root of 9802947 is about 214.0189446646.

The spelling of 9802947 in words is "nine million, eight hundred two thousand, nine hundred forty-seven".