498687841 has 2 divisors, whose sum is σ = 498687842. Its totient is φ = 498687840.

The previous prime is 498687823. The next prime is 498687923. The reversal of 498687841 is 148786894.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 388878400 + 109809441 = 19720^2 + 10479^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-498687841 is a prime.

It is a super-2 number, since 2×498687841² = 497379125522482562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (498687041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249343920 + 249343921.

It is an arithmetic number, because the mean of its divisors is an integer number (249343921).

Almost surely, 2^498687841 is an apocalyptic number.

It is an amenable number.

498687841 is a deficient number, since it is larger than the sum of its proper divisors (1).

498687841 is an equidigital number, since it uses as much as digits as its factorization.

498687841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3096576, while the sum is 55.

The square root of 498687841 is about 22331.3197326087. The cubic root of 498687841 is about 793.0056102101.

The spelling of 498687841 in words is "four hundred ninety-eight million, six hundred eighty-seven thousand, eight hundred forty-one".