4971778 has 8 divisors (see below), whose sum is σ = 8523072. Its totient is φ = 2130756.

The previous prime is 4971773. The next prime is 4971781. The reversal of 4971778 is 8771794.

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 (4971773) 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 3 ways as a sum of consecutive naturals, for example, 177550 + ... + 177577.

It is an arithmetic number, because the mean of its divisors is an integer number (1065384).

Almost surely, 2^4971778 is an apocalyptic number.

4971778 is a deficient number, since it is larger than the sum of its proper divisors (3551294).

4971778 is a wasteful number, since it uses less digits than its factorization.

4971778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355136.

The product of its digits is 98784, while the sum is 43.

The square root of 4971778 is about 2229.7484163017. The cubic root of 4971778 is about 170.6752611706.

The spelling of 4971778 in words is "four million, nine hundred seventy-one thousand, seven hundred seventy-eight".