9794878 has 4 divisors (see below), whose sum is σ = 14692320. Its totient is φ = 4897438.

The previous prime is 9794857. The next prime is 9794891. The reversal of 9794878 is 8784979.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8784979 = 7 ⋅1254997.

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, 2448718 + ... + 2448721.

It is an arithmetic number, because the mean of its divisors is an integer number (3673080).

Almost surely, 2^9794878 is an apocalyptic number.

9794878 is a deficient number, since it is larger than the sum of its proper divisors (4897442).

9794878 is a wasteful number, since it uses less digits than its factorization.

9794878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897441.

The product of its digits is 1016064, while the sum is 52.

The square root of 9794878 is about 3129.6769801371. The cubic root of 9794878 is about 213.9602074671.

The spelling of 9794878 in words is "nine million, seven hundred ninety-four thousand, eight hundred seventy-eight".