9400878 has 24 divisors (see below), whose sum is σ = 20574216. Its totient is φ = 3102000.

The previous prime is 9400873. The next prime is 9400879. The reversal of 9400878 is 8780049.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9400871) 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 11 ways as a sum of consecutive naturals, for example, 768 + ... + 4403.

It is an arithmetic number, because the mean of its divisors is an integer number (857259).

Almost surely, 2^9400878 is an apocalyptic number.

9400878 is an abundant number, since it is smaller than the sum of its proper divisors (11173338).

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

9400878 is a wasteful number, since it uses less digits than its factorization.

9400878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280 (or 5277 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 9400878 is about 3066.0851260198. The cubic root of 9400878 is about 211.0520000915.

The spelling of 9400878 in words is "nine million, four hundred thousand, eight hundred seventy-eight".