9967028 has 6 divisors (see below), whose sum is σ = 17442306.
Its totient is φ = 4983512.
The previous prime is 9967003. The next prime is 9967031. The reversal of 9967028 is 8207699.
It can be written as a sum of positive squares in only one way, i.e., 9872164 + 94864 = 3142^2 + 308^2
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245875 + ... + 1245882.
It is an arithmetic number, because the mean of its divisors is an integer number (2907051).
Almost surely, 29967028 is an apocalyptic number.
It is an amenable number.
9967028 is a deficient number, since it is larger than the sum of its proper divisors (7475278).
9967028 is a wasteful number, since it uses less digits than its factorization.
9967028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2491761 (or 2491759 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 41.
The square root of 9967028 is about 3157.0600247699.
The cubic root of 9967028 is about 215.2064215457.
The spelling of 9967028 in words is "nine million, nine hundred sixty-seven thousand, twenty-eight".