499993867 has 2 divisors, whose sum is σ = 499993868. Its totient is φ = 499993866.

The previous prime is 499993853. The next prime is 499993883. The reversal of 499993867 is 768399994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499993867 - 2²⁷ = 365776139 is a prime.

It is a super-2 number, since 2×499993867² = 499987734075227378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 499993799 and 499993808.

It is not a weakly prime, because it can be changed into another prime (499993807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249996933 + 249996934.

It is an arithmetic number, because the mean of its divisors is an integer number (249996934).

Almost surely, 2^499993867 is an apocalyptic number.

499993867 is a deficient number, since it is larger than the sum of its proper divisors (1).

499993867 is an equidigital number, since it uses as much as digits as its factorization.

499993867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26453952, while the sum is 64.

The square root of 499993867 is about 22360.5426365283. The cubic root of 499993867 is about 793.6972807939.

It can be divided in two parts, 4999938 and 67, that added together give a palindrome (5000005).

The spelling of 499993867 in words is "four hundred ninety-nine million, nine hundred ninety-three thousand, eight hundred sixty-seven".