604649193 has 4 divisors (see below), whose sum is σ = 806198928. Its totient is φ = 403099460.

The previous prime is 604649161. The next prime is 604649257. The reversal of 604649193 is 391946406.

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 a cyclic number.

It is not a de Polignac number, because 604649193 - 2⁵ = 604649161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (604649393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100774863 + ... + 100774868.

It is an arithmetic number, because the mean of its divisors is an integer number (201549732).

Almost surely, 2^604649193 is an apocalyptic number.

It is an amenable number.

604649193 is a deficient number, since it is larger than the sum of its proper divisors (201549735).

604649193 is a wasteful number, since it uses less digits than its factorization.

604649193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201549734.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 604649193 is about 24589.6155520984. The cubic root of 604649193 is about 845.6055521912.

The spelling of 604649193 in words is "six hundred four million, six hundred forty-nine thousand, one hundred ninety-three".