498945 has 32 divisors (see below), whose sum is σ = 875520. Its totient is φ = 241920.

The previous prime is 498937. The next prime is 498947. The reversal of 498945 is 549894.

It is not a de Polignac number, because 498945 - 2³ = 498937 is a prime.

It is a super-2 number, since 2×498945² = 497892226050, which contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (498947) 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, 13467 + ... + 13503.

It is an arithmetic number, because the mean of its divisors is an integer number (27360).

2⁴⁹⁸⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

498945 is a deficient number, since it is larger than the sum of its proper divisors (376575).

498945 is a wasteful number, since it uses less digits than its factorization.

498945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105.

The product of its digits is 51840, while the sum is 39.

The square root of 498945 is about 706.3603896029. The cubic root of 498945 is about 79.3141896861.

The spelling of 498945 in words is "four hundred ninety-eight thousand, nine hundred forty-five".