4978417 has 2 divisors, whose sum is σ = 4978418. Its totient is φ = 4978416.

The previous prime is 4978403. The next prime is 4978427. The reversal of 4978417 is 7148794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2572816 + 2405601 = 1604^2 + 1551^2 .

It is a cyclic number.

It is not a de Polignac number, because 4978417 - 2¹¹ = 4976369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4978417.

It is not a weakly prime, because it can be changed into another prime (4978427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489208 + 2489209.

It is an arithmetic number, because the mean of its divisors is an integer number (2489209).

Almost surely, 2^4978417 is an apocalyptic number.

It is an amenable number.

4978417 is a deficient number, since it is larger than the sum of its proper divisors (1).

4978417 is an equidigital number, since it uses as much as digits as its factorization.

4978417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 40.

The square root of 4978417 is about 2231.2366526211. The cubic root of 4978417 is about 170.7511970545.

The spelling of 4978417 in words is "four million, nine hundred seventy-eight thousand, four hundred seventeen".