598828409 has 2 divisors, whose sum is σ = 598828410. Its totient is φ = 598828408.

The previous prime is 598828403. The next prime is 598828421. The reversal of 598828409 is 904828895.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 495196009 + 103632400 = 22253^2 + 10180^2 .

It is a cyclic number.

It is not a de Polignac number, because 598828409 - 2⁴ = 598828393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (598828403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299414204 + 299414205.

It is an arithmetic number, because the mean of its divisors is an integer number (299414205).

Almost surely, 2^598828409 is an apocalyptic number.

It is an amenable number.

598828409 is a deficient number, since it is larger than the sum of its proper divisors (1).

598828409 is an equidigital number, since it uses as much as digits as its factorization.

598828409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 53.

The square root of 598828409 is about 24470.9707408595. The cubic root of 598828409 is about 842.8833308603.

The spelling of 598828409 in words is "five hundred ninety-eight million, eight hundred twenty-eight thousand, four hundred nine".