604344681 has 12 divisors (see below), whose sum is σ = 873213952. Its totient is φ = 402771096.

The previous prime is 604344677. The next prime is 604344691. The reversal of 604344681 is 186443406.

604344681 is a `hidden beast` number, since 604 + 3 + 4 + 46 + 8 + 1 = 666.

It is not a de Polignac number, because 604344681 - 2² = 604344677 is a prime.

It is a super-2 number, since 2×604344681² = 730464986905983522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (604344641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27240 + ... + 44166.

Almost surely, 2^604344681 is an apocalyptic number.

It is an amenable number.

604344681 is a deficient number, since it is larger than the sum of its proper divisors (268869271).

604344681 is a wasteful number, since it uses less digits than its factorization.

604344681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20900 (or 20897 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 604344681 is about 24583.4228902324. The cubic root of 604344681 is about 845.4635743967.

The spelling of 604344681 in words is "six hundred four million, three hundred forty-four thousand, six hundred eighty-one".