4098817 has 2 divisors, whose sum is σ = 4098818. Its totient is φ = 4098816.

The previous prime is 4098797. The next prime is 4098821. The reversal of 4098817 is 7188904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3207681 + 891136 = 1791^2 + 944^2 .

It is a cyclic number.

It is not a de Polignac number, because 4098817 - 2¹¹ = 4096769 is a prime.

It is not a weakly prime, because it can be changed into another prime (4098847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2049408 + 2049409.

It is an arithmetic number, because the mean of its divisors is an integer number (2049409).

Almost surely, 2^4098817 is an apocalyptic number.

It is an amenable number.

4098817 is a deficient number, since it is larger than the sum of its proper divisors (1).

4098817 is an equidigital number, since it uses as much as digits as its factorization.

4098817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 4098817 is about 2024.5535310285. The cubic root of 4098817 is about 160.0366712820.

The spelling of 4098817 in words is "four million, ninety-eight thousand, eight hundred seventeen".