4940978 has 16 divisors (see below), whose sum is σ = 8631360. Its totient is φ = 2077296.

The previous prime is 4940977. The next prime is 4940983. The reversal of 4940978 is 8790494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4940977) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2588 + ... + 4071.

It is an arithmetic number, because the mean of its divisors is an integer number (539460).

Almost surely, 2^4940978 is an apocalyptic number.

4940978 is a deficient number, since it is larger than the sum of its proper divisors (3690382).

4940978 is a wasteful number, since it uses less digits than its factorization.

4940978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6721.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 4940978 is about 2222.8310777025. The cubic root of 4940978 is about 170.3220883360.

The spelling of 4940978 in words is "four million, nine hundred forty thousand, nine hundred seventy-eight".