9280978 has 16 divisors (see below), whose sum is σ = 16136064. Its totient is φ = 3921120.

The previous prime is 9280951. The next prime is 9280979. The reversal of 9280978 is 8790829.

It is a super-2 number, since 2×9280978² = 172273105272968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9280979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3675 + ... + 5662.

It is an arithmetic number, because the mean of its divisors is an integer number (1008504).

Almost surely, 2^9280978 is an apocalyptic number.

9280978 is a deficient number, since it is larger than the sum of its proper divisors (6855086).

9280978 is a wasteful number, since it uses less digits than its factorization.

9280978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9417.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 9280978 is about 3046.4697602307. The cubic root of 9280978 is about 210.1508968372.

The spelling of 9280978 in words is "nine million, two hundred eighty thousand, nine hundred seventy-eight".