9671980 has 24 divisors (see below), whose sum is σ = 21506688. Its totient is φ = 3641088.

The previous prime is 9671971. The next prime is 9672011. The reversal of 9671980 is 891769.

9671980 = T₃₄₀ + T₃₄₁ + ... + T₄₅₉.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13884 + ... + 14563.

It is an arithmetic number, because the mean of its divisors is an integer number (896112).

Almost surely, 2^9671980 is an apocalyptic number.

It is an amenable number.

9671980 is an abundant number, since it is smaller than the sum of its proper divisors (11834708).

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

9671980 is a wasteful number, since it uses less digits than its factorization.

9671980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28473 (or 28471 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 9671980 is about 3109.9807073357. The cubic root of 9671980 is about 213.0615734469.

The spelling of 9671980 in words is "nine million, six hundred seventy-one thousand, nine hundred eighty".