• 498649² = 248650825201 is an anagram of the next square 498650² = 248651822500.

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498649 has 4 divisors (see below), whose sum is σ = 512164. Its totient is φ = 485136.

The previous prime is 498647. The next prime is 498653. The reversal of 498649 is 946894.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 399424 + 99225 = 632^2 + 315^2 .

It is a cyclic number.

It is not a de Polignac number, because 498649 - 2¹ = 498647 is a prime.

It is a Duffinian number.

498649 is a lucky number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (498643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6702 + ... + 6775.

It is an arithmetic number, because the mean of its divisors is an integer number (128041).

2⁴⁹⁸⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

498649 is a deficient number, since it is larger than the sum of its proper divisors (13515).

498649 is a wasteful number, since it uses less digits than its factorization.

498649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13514.

The product of its digits is 62208, while the sum is 40.

The square root of 498649 is about 706.1508337459. The cubic root of 498649 is about 79.2985021559.

It can be divided in two parts, 49 and 8649, that multiplied together give a square (423801 = 651²).

The spelling of 498649 in words is "four hundred ninety-eight thousand, six hundred forty-nine".