498957 has 4 divisors (see below), whose sum is σ = 665280. Its totient is φ = 332636.

The previous prime is 498947. The next prime is 498961. The reversal of 498957 is 759894.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 498957 - 2¹⁶ = 433421 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83157 + ... + 83162.

It is an arithmetic number, because the mean of its divisors is an integer number (166320).

2⁴⁹⁸⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

498957 is a deficient number, since it is larger than the sum of its proper divisors (166323).

498957 is a wasteful number, since it uses less digits than its factorization.

498957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166322.

The product of its digits is 90720, while the sum is 42.

The square root of 498957 is about 706.3688837994. The cubic root of 498957 is about 79.3148255361.

The spelling of 498957 in words is "four hundred ninety-eight thousand, nine hundred fifty-seven".