4893978 has 8 divisors (see below), whose sum is σ = 9787968. Its totient is φ = 1631324.

The previous prime is 4893961. The next prime is 4893983. The reversal of 4893978 is 8793984.

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

4893978 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407826 + ... + 407837.

It is an arithmetic number, because the mean of its divisors is an integer number (1223496).

Almost surely, 2^4893978 is an apocalyptic number.

4893978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4893978 is a wasteful number, since it uses less digits than its factorization.

4893978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815668.

The product of its digits is 435456, while the sum is 48.

The square root of 4893978 is about 2212.2337127890. The cubic root of 4893978 is about 169.7803160030.

The spelling of 4893978 in words is "four million, eight hundred ninety-three thousand, nine hundred seventy-eight".