9956940 has 96 divisors (see below), whose sum is σ = 32277504. Its totient is φ = 2246400.

The previous prime is 9956939. The next prime is 9956941. The reversal of 9956940 is 496599.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9956939) and next prime (9956941).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 9956892 and 9956901.

It is not an unprimeable number, because it can be changed into a prime (9956941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63342 + ... + 63498.

It is an arithmetic number, because the mean of its divisors is an integer number (336224).

Almost surely, 2^9956940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9956940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16138752).

9956940 is an abundant number, since it is smaller than the sum of its proper divisors (22320564).

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

9956940 is a wasteful number, since it uses less digits than its factorization.

9956940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 9956940 is about 3155.4619313185. The cubic root of 9956940 is about 215.1337908931.

The spelling of 9956940 in words is "nine million, nine hundred fifty-six thousand, nine hundred forty".