658983 has 16 divisors (see below), whose sum is σ = 965216. Its totient is φ = 397440.

The previous prime is 658979. The next prime is 658991. The reversal of 658983 is 389856.

It is not a de Polignac number, because 658983 - 2² = 658979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (658913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2241 + ... + 2517.

It is an arithmetic number, because the mean of its divisors is an integer number (60326).

2⁶⁵⁸⁹⁸³ is an apocalyptic number.

658983 is a deficient number, since it is larger than the sum of its proper divisors (306233).

658983 is a wasteful number, since it uses less digits than its factorization.

658983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354.

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

The square root of 658983 is about 811.7776789245. Note that the first 3 decimals coincide. The cubic root of 658983 is about 87.0211337217.

The spelling of 658983 in words is "six hundred fifty-eight thousand, nine hundred eighty-three".