499189 has 2 divisors, whose sum is σ = 499190. Its totient is φ = 499188.

The previous prime is 499183. The next prime is 499211. The reversal of 499189 is 981994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 412164 + 87025 = 642^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 499189 - 2³ = 499181 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249594 + 249595.

It is an arithmetic number, because the mean of its divisors is an integer number (249595).

2⁴⁹⁹¹⁸⁹ is an apocalyptic number.

It is an amenable number.

499189 is a deficient number, since it is larger than the sum of its proper divisors (1).

499189 is an equidigital number, since it uses as much as digits as its factorization.

499189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 40.

The square root of 499189 is about 706.5330848587. The cubic root of 499189 is about 79.3271166342.

The spelling of 499189 in words is "four hundred ninety-nine thousand, one hundred eighty-nine".