4449397 has 2 divisors, whose sum is σ = 4449398. Its totient is φ = 4449396.

The previous prime is 4449391. The next prime is 4449407. The reversal of 4449397 is 7939444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4435236 + 14161 = 2106^2 + 119^2 .

It is a cyclic number.

It is not a de Polignac number, because 4449397 - 2¹⁹ = 3925109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4449391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2224698 + 2224699.

It is an arithmetic number, because the mean of its divisors is an integer number (2224699).

Almost surely, 2^4449397 is an apocalyptic number.

4449397 is the 1128-th centered heptagonal number.

It is an amenable number.

4449397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4449397 is an equidigital number, since it uses as much as digits as its factorization.

4449397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 4449397 is about 2109.3593814237. The cubic root of 4449397 is about 164.4751858802.

The spelling of 4449397 in words is "four million, four hundred forty-nine thousand, three hundred ninety-seven".