498749 has 2 divisors, whose sum is σ = 498750. Its totient is φ = 498748.

The previous prime is 498739. The next prime is 498761. The reversal of 498749 is 947894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 302500 + 196249 = 550^2 + 443^2 .

It is a cyclic number.

It is not a de Polignac number, because 498749 - 2⁴ = 498733 is a prime.

It is a Chen prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249374 + 249375.

It is an arithmetic number, because the mean of its divisors is an integer number (249375).

2⁴⁹⁸⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

498749 is a deficient number, since it is larger than the sum of its proper divisors (1).

498749 is an equidigital number, since it uses as much as digits as its factorization.

498749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 498749 is about 706.2216365986. The cubic root of 498749 is about 79.3038026914.

The spelling of 498749 in words is "four hundred ninety-eight thousand, seven hundred forty-nine".