604405761 has 8 divisors (see below), whose sum is σ = 806199744. Its totient is φ = 402774480.

The previous prime is 604405757. The next prime is 604405771. The reversal of 604405761 is 167504406.

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

It is not a de Polignac number, because 604405761 - 2² = 604405757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (604405771) 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, 31725 + ... + 47066.

It is an arithmetic number, because the mean of its divisors is an integer number (100774968).

It is a Proth number, since it is equal to 18445 ⋅ 2¹⁵ + 1 and 18445 < 2¹⁵.

Almost surely, 2^604405761 is an apocalyptic number.

It is an amenable number.

604405761 is a deficient number, since it is larger than the sum of its proper divisors (201793983).

604405761 is a wasteful number, since it uses less digits than its factorization.

604405761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81351.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 604405761 is about 24584.6651594037. The cubic root of 604405761 is about 845.4920565841.

The spelling of 604405761 in words is "six hundred four million, four hundred five thousand, seven hundred sixty-one".