58404609 has 6 divisors (see below), whose sum is σ = 84362226. Its totient is φ = 38936400.

The previous prime is 58404587. The next prime is 58404641. The reversal of 58404609 is 90640485.

58404609 is a `hidden beast` number, since 5 + 8 + 40 + 4 + 609 = 666.

It can be written as a sum of positive squares in only one way, i.e., 33872400 + 24532209 = 5820^2 + 4953^2 .

It is not a de Polignac number, because 58404609 - 2⁷ = 58404481 is a prime.

It is a super-2 number, since 2×58404609² = 6822196704885762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (58404649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3244692 + ... + 3244709.

It is an arithmetic number, because the mean of its divisors is an integer number (14060371).

Almost surely, 2^58404609 is an apocalyptic number.

It is an amenable number.

58404609 is a deficient number, since it is larger than the sum of its proper divisors (25957617).

58404609 is a wasteful number, since it uses less digits than its factorization.

58404609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6489407 (or 6489404 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 58404609 is about 7642.2908214749. The cubic root of 58404609 is about 387.9856891487.

The spelling of 58404609 in words is "fifty-eight million, four hundred four thousand, six hundred nine".