409098229 has 2 divisors, whose sum is σ = 409098230. Its totient is φ = 409098228.

The previous prime is 409098211. The next prime is 409098241. The reversal of 409098229 is 922890904.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230341329 + 178756900 = 15177^2 + 13370^2 .

It is a cyclic number.

It is not a de Polignac number, because 409098229 - 2¹⁹ = 408573941 is a prime.

It is a super-2 number, since 2×409098229² = 334722721941872882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (409098299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204549114 + 204549115.

It is an arithmetic number, because the mean of its divisors is an integer number (204549115).

Almost surely, 2^409098229 is an apocalyptic number.

It is an amenable number.

409098229 is a deficient number, since it is larger than the sum of its proper divisors (1).

409098229 is an equidigital number, since it uses as much as digits as its factorization.

409098229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 409098229 is about 20226.1768260836. The cubic root of 409098229 is about 742.3508323424.

The spelling of 409098229 in words is "four hundred nine million, ninety-eight thousand, two hundred twenty-nine".