4479749 has 2 divisors, whose sum is σ = 4479750. Its totient is φ = 4479748.

The previous prime is 4479743. The next prime is 4479793. The reversal of 4479749 is 9479744.

It is an a-pointer prime, because the next prime (4479793) can be obtained adding 4479749 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3678724 + 801025 = 1918^2 + 895^2 .

It is a cyclic number.

It is not a de Polignac number, because 4479749 - 2⁸ = 4479493 is a prime.

It is a super-2 number, since 2×4479749² = 40136302206002, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen 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 (4479743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2239874 + 2239875.

It is an arithmetic number, because the mean of its divisors is an integer number (2239875).

Almost surely, 2^4479749 is an apocalyptic number.

It is an amenable number.

4479749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4479749 is an equidigital number, since it uses as much as digits as its factorization.

4479749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 44.

The square root of 4479749 is about 2116.5417548444. The cubic root of 4479749 is about 164.8483332366.

The spelling of 4479749 in words is "four million, four hundred seventy-nine thousand, seven hundred forty-nine".