9132978 has 48 divisors (see below), whose sum is σ = 20335680. Its totient is φ = 2728704.

The previous prime is 9132973. The next prime is 9132979. The reversal of 9132978 is 8792319.

It is a super-2 number, since 2×9132978² = 166822574296968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9132973) 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 23 ways as a sum of consecutive naturals, for example, 39768 + ... + 39996.

It is an arithmetic number, because the mean of its divisors is an integer number (423660).

Almost surely, 2^9132978 is an apocalyptic number.

9132978 is an abundant number, since it is smaller than the sum of its proper divisors (11202702).

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

9132978 is a wasteful number, since it uses less digits than its factorization.

9132978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 274 counting only the distinct ones).

The product of its digits is 27216, while the sum is 39.

The square root of 9132978 is about 3022.0817328458. The cubic root of 9132978 is about 209.0278421124.

The spelling of 9132978 in words is "nine million, one hundred thirty-two thousand, nine hundred seventy-eight".