499730 has 48 divisors (see below), whose sum is σ = 1149120. Its totient is φ = 153120.

The previous prime is 499729. The next prime is 499739. The reversal of 499730 is 37994.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (499739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8441 + ... + 8499.

It is an arithmetic number, because the mean of its divisors is an integer number (23940).

2⁴⁹⁹⁷³⁰ is an apocalyptic number.

499730 is an abundant number, since it is smaller than the sum of its proper divisors (649390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499730 is a wasteful number, since it uses less digits than its factorization.

499730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 499730 is about 706.9158365746. The cubic root of 499730 is about 79.3557634166.

It can be divided in two parts, 49 and 9730, that added together give a palindrome (9779).

The spelling of 499730 in words is "four hundred ninety-nine thousand, seven hundred thirty".