604681 has 8 divisors (see below), whose sum is σ = 753984. Its totient is φ = 471120.

The previous prime is 604661. The next prime is 604697. The reversal of 604681 is 186406.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 604681 - 2⁵ = 604649 is a prime.

It is a super-2 number, since 2×604681² = 731278223522, which contains 22 as substring.

604681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (604651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3850 + ... + 4003.

It is an arithmetic number, because the mean of its divisors is an integer number (94248).

2⁶⁰⁴⁶⁸¹ is an apocalyptic number.

It is an amenable number.

604681 is a deficient number, since it is larger than the sum of its proper divisors (149303).

604681 is a wasteful number, since it uses less digits than its factorization.

604681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7871.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 604681 is about 777.6123713008. The cubic root of 604681 is about 84.5620379359.

The spelling of 604681 in words is "six hundred four thousand, six hundred eighty-one".