9967420 has 24 divisors (see below), whose sum is σ = 21221424. Its totient is φ = 3931776.

The previous prime is 9967411. The next prime is 9967421. The reversal of 9967420 is 247699.

It is a super-2 number, since 2×9967420² = 198698922912800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9967420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9967421) 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 7 ways as a sum of consecutive naturals, for example, 1954 + ... + 4873.

It is an arithmetic number, because the mean of its divisors is an integer number (884226).

Almost surely, 2^9967420 is an apocalyptic number.

It is an amenable number.

9967420 is an abundant number, since it is smaller than the sum of its proper divisors (11254004).

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

9967420 is a wasteful number, since it uses less digits than its factorization.

9967420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6909 (or 6907 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 9967420 is about 3157.1221072363. The cubic root of 9967420 is about 215.2092428418.

The spelling of 9967420 in words is "nine million, nine hundred sixty-seven thousand, four hundred twenty".