9871480 has 16 divisors (see below), whose sum is σ = 22210920. Its totient is φ = 3948576.

The previous prime is 9871471. The next prime is 9871481. The reversal of 9871480 is 841789.

It is a super-2 number, since 2×9871480² = 194892234780800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9871481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123354 + ... + 123433.

Almost surely, 2^9871480 is an apocalyptic number.

It is an amenable number.

9871480 is an abundant number, since it is smaller than the sum of its proper divisors (12339440).

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

9871480 is a wasteful number, since it uses less digits than its factorization.

9871480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246798 (or 246794 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 9871480 is about 3141.8911502469. The cubic root of 9871480 is about 214.5165267466.

The spelling of 9871480 in words is "nine million, eight hundred seventy-one thousand, four hundred eighty".