499631 has 8 divisors (see below), whose sum is σ = 555984. Its totient is φ = 445120.

The previous prime is 499621. The next prime is 499633. The reversal of 499631 is 136994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 499631 - 2¹⁴ = 483247 is a prime.

It is a super-2 number, since 2×499631² = 499262272322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155 + ... + 1011.

It is an arithmetic number, because the mean of its divisors is an integer number (69498).

2⁴⁹⁹⁶³¹ is an apocalyptic number.

499631 is a deficient number, since it is larger than the sum of its proper divisors (56353).

499631 is a wasteful number, since it uses less digits than its factorization.

499631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921.

The product of its digits is 5832, while the sum is 32.

The square root of 499631 is about 706.8458106263. The cubic root of 499631 is about 79.3505227603.

The spelling of 499631 in words is "four hundred ninety-nine thousand, six hundred thirty-one".