58209989 has 16 divisors (see below), whose sum is σ = 64696320. Its totient is φ = 52120320.

The previous prime is 58209961. The next prime is 58209997. The reversal of 58209989 is 98990285.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-58209989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58209919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34172 + ... + 35834.

It is an arithmetic number, because the mean of its divisors is an integer number (4043520).

Almost surely, 2^58209989 is an apocalyptic number.

It is an amenable number.

58209989 is a deficient number, since it is larger than the sum of its proper divisors (6486331).

58209989 is a wasteful number, since it uses less digits than its factorization.

58209989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780.

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 58209989 is about 7629.5471032034. The cubic root of 58209989 is about 387.5542517174.

The spelling of 58209989 in words is "fifty-eight million, two hundred nine thousand, nine hundred eighty-nine".