497899 has 2 divisors, whose sum is σ = 497900. Its totient is φ = 497898.

The previous prime is 497873. The next prime is 497929. The reversal of 497899 is 998794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 497899 - 2⁵ = 497867 is a prime.

It is an Ulam number.

497899 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (497839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248949 + 248950.

It is an arithmetic number, because the mean of its divisors is an integer number (248950).

2⁴⁹⁷⁸⁹⁹ is an apocalyptic number.

497899 is a deficient number, since it is larger than the sum of its proper divisors (1).

497899 is an equidigital number, since it uses as much as digits as its factorization.

497899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 46.

The square root of 497899 is about 705.6195858960. The cubic root of 497899 is about 79.2587255334.

It can be divided in two parts, 4 and 97899, that added together give a triangular number (97903 = T₄₄₂).

The spelling of 497899 in words is "four hundred ninety-seven thousand, eight hundred ninety-nine".