499977 has 12 divisors (see below), whose sum is σ = 733044. Its totient is φ = 328320.

The previous prime is 499973. The next prime is 499979. The reversal of 499977 is 779994.

It can be written as a sum of positive squares in 2 ways, for example, as 95481 + 404496 = 309^2 + 636^2 .

It is not a de Polignac number, because 499977 - 2² = 499973 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499973) 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, 277 + ... + 1037.

It is an arithmetic number, because the mean of its divisors is an integer number (61087).

2⁴⁹⁹⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

499977 is a deficient number, since it is larger than the sum of its proper divisors (233067).

499977 is a wasteful number, since it uses less digits than its factorization.

499977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 837 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 499977 is about 707.0905175435. The cubic root of 499977 is about 79.3688355723.

The spelling of 499977 in words is "four hundred ninety-nine thousand, nine hundred seventy-seven".