499747 has 2 divisors, whose sum is σ = 499748. Its totient is φ = 499746.

The previous prime is 499739. The next prime is 499781. The reversal of 499747 is 747994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499747 - 2³ = 499739 is a prime.

It is not a weakly prime, because it can be changed into another prime (499717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249873 + 249874.

It is an arithmetic number, because the mean of its divisors is an integer number (249874).

2⁴⁹⁹⁷⁴⁷ is an apocalyptic number.

499747 is a deficient number, since it is larger than the sum of its proper divisors (1).

499747 is an equidigital number, since it uses as much as digits as its factorization.

499747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 40.

The square root of 499747 is about 706.9278605346. The cubic root of 499747 is about 79.3566632576.

The spelling of 499747 in words is "four hundred ninety-nine thousand, seven hundred forty-seven".