498906931 has 2 divisors, whose sum is σ = 498906932. Its totient is φ = 498906930.

The previous prime is 498906917. The next prime is 498906937. The reversal of 498906931 is 139609894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 498906931 - 2⁵ = 498906899 is a prime.

It is a super-2 number, since 2×498906931² = 497816251599677522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (498906937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249453465 + 249453466.

It is an arithmetic number, because the mean of its divisors is an integer number (249453466).

Almost surely, 2^498906931 is an apocalyptic number.

498906931 is a deficient number, since it is larger than the sum of its proper divisors (1).

498906931 is an equidigital number, since it uses as much as digits as its factorization.

498906931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 498906931 is about 22336.2246362271. The cubic root of 498906931 is about 793.1217243721.

The spelling of 498906931 in words is "four hundred ninety-eight million, nine hundred six thousand, nine hundred thirty-one".