498439 has 2 divisors, whose sum is σ = 498440. Its totient is φ = 498438.

The previous prime is 498409. The next prime is 498461. The reversal of 498439 is 934894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 498439 - 2¹³ = 490247 is a prime.

It is a super-3 number, since 3×498439³ = 371498703833335557, which contains 333 as substring.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 498398 and 498407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249219 + 249220.

It is an arithmetic number, because the mean of its divisors is an integer number (249220).

2⁴⁹⁸⁴³⁹ is an apocalyptic number.

498439 is a deficient number, since it is larger than the sum of its proper divisors (1).

498439 is an equidigital number, since it uses as much as digits as its factorization.

498439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 498439 is about 706.0021246427. The cubic root of 498439 is about 79.2873687242.

It can be divided in two parts, 4984 and 39, that multiplied together give a triangular number (194376 = T₆₂₃).

The spelling of 498439 in words is "four hundred ninety-eight thousand, four hundred thirty-nine".