498990329 has 2 divisors, whose sum is σ = 498990330. Its totient is φ = 498990328.

The previous prime is 498990299. The next prime is 498990347. The reversal of 498990329 is 923099894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 448295929 + 50694400 = 21173^2 + 7120^2 .

It is a cyclic number.

It is not a de Polignac number, because 498990329 - 2⁸ = 498990073 is a prime.

It is not a weakly prime, because it can be changed into another prime (498990629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249495164 + 249495165.

It is an arithmetic number, because the mean of its divisors is an integer number (249495165).

Almost surely, 2^498990329 is an apocalyptic number.

It is an amenable number.

498990329 is a deficient number, since it is larger than the sum of its proper divisors (1).

498990329 is an equidigital number, since it uses as much as digits as its factorization.

498990329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The square root of 498990329 is about 22338.0914359307. The cubic root of 498990329 is about 793.1659150325.

The spelling of 498990329 in words is "four hundred ninety-eight million, nine hundred ninety thousand, three hundred twenty-nine".