499397 has 2 divisors, whose sum is σ = 499398. Its totient is φ = 499396.

The previous prime is 499391. The next prime is 499403. The reversal of 499397 is 793994.

It is a balanced prime because it is at equal distance from previous prime (499391) and next prime (499403).

It can be written as a sum of positive squares in only one way, i.e., 498436 + 961 = 706^2 + 31^2 .

499397 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 499397 - 2⁸ = 499141 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 499397.

It is not a weakly prime, because it can be changed into another prime (499391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249698 + 249699.

It is an arithmetic number, because the mean of its divisors is an integer number (249699).

2⁴⁹⁹³⁹⁷ is an apocalyptic number.

It is an amenable number.

499397 is a deficient number, since it is larger than the sum of its proper divisors (1).

499397 is an equidigital number, since it uses as much as digits as its factorization.

499397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 41.

The square root of 499397 is about 706.6802671647. The cubic root of 499397 is about 79.3381330021.

The spelling of 499397 in words is "four hundred ninety-nine thousand, three hundred ninety-seven".