658408049 has 8 divisors (see below), whose sum is σ = 711296040. Its totient is φ = 605840256.

The previous prime is 658408031. The next prime is 658408057. The reversal of 658408049 is 940804856.

It is a happy number.

658408049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2689600 + 655718449 = 1640^2 + 25607^2 .

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

It is not a de Polignac number, because 658408049 - 2²⁴ = 641630833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (654408049) 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, 75764 + ... + 84005.

It is an arithmetic number, because the mean of its divisors is an integer number (88912005).

Almost surely, 2^658408049 is an apocalyptic number.

It is an amenable number.

658408049 is a deficient number, since it is larger than the sum of its proper divisors (52887991).

658408049 is a wasteful number, since it uses less digits than its factorization.

658408049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160099.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 658408049 is about 25659.4631471510. The cubic root of 658408049 is about 869.9581822504.

The spelling of 658408049 in words is "six hundred fifty-eight million, four hundred eight thousand, forty-nine".