499427 has 4 divisors (see below), whose sum is σ = 503160. Its totient is φ = 495696.

The previous prime is 499423. The next prime is 499439. The reversal of 499427 is 724994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 499427 - 2² = 499423 is a prime.

It is a d-powerful number, because it can be written as 4⁵ + 9⁵ + 4⁹ + 9⁵ + 2⁹ + 7⁶ .

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 499427.

It is not an unprimeable number, because it can be changed into a prime (499423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1658 + ... + 1935.

It is an arithmetic number, because the mean of its divisors is an integer number (125790).

2⁴⁹⁹⁴²⁷ is an apocalyptic number.

499427 is a deficient number, since it is larger than the sum of its proper divisors (3733).

499427 is a wasteful number, since it uses less digits than its factorization.

499427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732.

The product of its digits is 18144, while the sum is 35.

The square root of 499427 is about 706.7014928525. The cubic root of 499427 is about 79.3397216489.

The spelling of 499427 in words is "four hundred ninety-nine thousand, four hundred twenty-seven".