9686940 has 48 divisors (see below), whose sum is σ = 28721952. Its totient is φ = 2430976.

The previous prime is 9686921. The next prime is 9686951. The reversal of 9686940 is 496869.

9686940 = T₂₄₉ + T₂₅₀ + ... + T₄₁₈.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 9686892 and 9686901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3729 + ... + 5768.

It is an arithmetic number, because the mean of its divisors is an integer number (598374).

Almost surely, 2^9686940 is an apocalyptic number.

It is an amenable number.

9686940 is an abundant number, since it is smaller than the sum of its proper divisors (19035012).

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

9686940 is a wasteful number, since it uses less digits than its factorization.

9686940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9526 (or 9524 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 9686940 is about 3112.3849376322. The cubic root of 9686940 is about 213.1713668636.

The spelling of 9686940 in words is "nine million, six hundred eighty-six thousand, nine hundred forty".