499401 has 12 divisors (see below), whose sum is σ = 824512. Its totient is φ = 285336.

The previous prime is 499397. The next prime is 499403. The reversal of 499401 is 104994.

It is not a de Polignac number, because 499401 - 2² = 499397 is a prime.

It is a Duffinian number.

499401 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 499401.

It is not an unprimeable number, because it can be changed into a prime (499403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3901 + ... + 4026.

2⁴⁹⁹⁴⁰¹ is an apocalyptic number.

It is an amenable number.

499401 is a deficient number, since it is larger than the sum of its proper divisors (325111).

499401 is a wasteful number, since it uses less digits than its factorization.

499401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7940 (or 7937 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 499401 is about 706.6830972933. The cubic root of 499401 is about 79.3383448254.

It can be divided in two parts, 499 and 401, that added together give a square (900 = 30²).

The spelling of 499401 in words is "four hundred ninety-nine thousand, four hundred one".