4894978 has 8 divisors (see below), whose sum is σ = 8010000. Its totient is φ = 2224980.

The previous prime is 4894973. The next prime is 4894979. The reversal of 4894978 is 8794984.

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

It is not an unprimeable number, because it can be changed into a prime (4894973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111228 + ... + 111271.

It is an arithmetic number, because the mean of its divisors is an integer number (1001250).

Almost surely, 2^4894978 is an apocalyptic number.

4894978 is a deficient number, since it is larger than the sum of its proper divisors (3115022).

4894978 is a wasteful number, since it uses less digits than its factorization.

4894978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222512.

The product of its digits is 580608, while the sum is 49.

The square root of 4894978 is about 2212.4597171474. The cubic root of 4894978 is about 169.7918791086.

The spelling of 4894978 in words is "four million, eight hundred ninety-four thousand, nine hundred seventy-eight".