650493 has 6 divisors (see below), whose sum is σ = 939614. Its totient is φ = 433656.

The previous prime is 650483. The next prime is 650519. The reversal of 650493 is 394056.

It is a happy number.

650493 is a `hidden beast` number, since 650 + 4 + 9 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 636804 + 13689 = 798^2 + 117^2 .

It is not a de Polignac number, because 650493 - 2⁴ = 650477 is a prime.

It is a super-2 number, since 2×650493² = 846282286098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36130 + ... + 36147.

2⁶⁵⁰⁴⁹³ is an apocalyptic number.

It is an amenable number.

650493 is a deficient number, since it is larger than the sum of its proper divisors (289121).

650493 is a wasteful number, since it uses less digits than its factorization.

650493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72283 (or 72280 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 650493 is about 806.5314624985. The cubic root of 650493 is about 86.6458053011.

The spelling of 650493 in words is "six hundred fifty thousand, four hundred ninety-three".