498729 has 32 divisors (see below), whose sum is σ = 884736. Its totient is φ = 241920.

The previous prime is 498691. The next prime is 498733. The reversal of 498729 is 927894.

498729 = T₁₅₄ + T₁₅₅ + ... + T₁₈₇.

It is not a de Polignac number, because 498729 - 2¹¹ = 496681 is a prime.

It is an alternating number because its digits alternate between even and odd.

498729 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (498739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3864 + ... + 3990.

It is an arithmetic number, because the mean of its divisors is an integer number (27648).

2⁴⁹⁸⁷²⁹ is an apocalyptic number.

It is an amenable number.

498729 is a deficient number, since it is larger than the sum of its proper divisors (386007).

498729 is a wasteful number, since it uses less digits than its factorization.

498729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165.

The product of its digits is 36288, while the sum is 39.

The square root of 498729 is about 706.2074765959. The cubic root of 498729 is about 79.3027426409.

It can be divided in two parts, 49 and 8729, that added together give a palindrome (8778).

The spelling of 498729 in words is "four hundred ninety-eight thousand, seven hundred twenty-nine".