9994478 has 8 divisors (see below), whose sum is σ = 16144968. Its totient is φ = 4612824.

The previous prime is 9994469. The next prime is 9994483. The reversal of 9994478 is 8744999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192176 + ... + 192227.

It is an arithmetic number, because the mean of its divisors is an integer number (2018121).

Almost surely, 2^9994478 is an apocalyptic number.

9994478 is a deficient number, since it is larger than the sum of its proper divisors (6150490).

9994478 is a wasteful number, since it uses less digits than its factorization.

9994478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384418.

The product of its digits is 653184, while the sum is 50.

The square root of 9994478 is about 3161.4044347410. The cubic root of 9994478 is about 215.4038057404.

The spelling of 9994478 in words is "nine million, nine hundred ninety-four thousand, four hundred seventy-eight".