493845 has 32 divisors (see below), whose sum is σ = 895104. Its totient is φ = 230400.

The previous prime is 493817. The next prime is 493853. The reversal of 493845 is 548394.

It is not a de Polignac number, because 493845 - 2⁵ = 493813 is a prime.

It is a super-4 number, since 4×493845⁴ (a number of 24 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6729 + ... + 6801.

It is an arithmetic number, because the mean of its divisors is an integer number (27972).

2⁴⁹³⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

493845 is a deficient number, since it is larger than the sum of its proper divisors (401259).

493845 is a wasteful number, since it uses less digits than its factorization.

493845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133.

The product of its digits is 17280, while the sum is 33.

The square root of 493845 is about 702.7410618428. The cubic root of 493845 is about 79.0430252200.

The spelling of 493845 in words is "four hundred ninety-three thousand, eight hundred forty-five".