200786493 has 4 divisors (see below), whose sum is σ = 267715328. Its totient is φ = 133857660.

The previous prime is 200786489. The next prime is 200786501. The reversal of 200786493 is 394687002.

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 not a de Polignac number, because 200786493 - 2² = 200786489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200786413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33464413 + ... + 33464418.

It is an arithmetic number, because the mean of its divisors is an integer number (66928832).

Almost surely, 2^200786493 is an apocalyptic number.

It is an amenable number.

200786493 is a deficient number, since it is larger than the sum of its proper divisors (66928835).

200786493 is an equidigital number, since it uses as much as digits as its factorization.

200786493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66928834.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 200786493 is about 14169.9150667885. The cubic root of 200786493 is about 585.5691181524.

The spelling of 200786493 in words is "two hundred million, seven hundred eighty-six thousand, four hundred ninety-three".