4978349 has 2 divisors, whose sum is σ = 4978350. Its totient is φ = 4978348.

The previous prime is 4978291. The next prime is 4978367. The reversal of 4978349 is 9438794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4884100 + 94249 = 2210^2 + 307^2 .

It is a cyclic number.

It is not a de Polignac number, because 4978349 - 2²⁰ = 3929773 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4972349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489174 + 2489175.

It is an arithmetic number, because the mean of its divisors is an integer number (2489175).

Almost surely, 2^4978349 is an apocalyptic number.

It is an amenable number.

4978349 is a deficient number, since it is larger than the sum of its proper divisors (1).

4978349 is an equidigital number, since it uses as much as digits as its factorization.

4978349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 4978349 is about 2231.2214143827. The cubic root of 4978349 is about 170.7504196230.

The spelling of 4978349 in words is "four million, nine hundred seventy-eight thousand, three hundred forty-nine".