58128930 has 24 divisors (see below), whose sum is σ = 151135452. Its totient is φ = 15501024.

The previous prime is 58128929. The next prime is 58128943. The reversal of 58128930 is 3982185.

It can be written as a sum of positive squares in 2 ways, for example, as 52751169 + 5377761 = 7263^2 + 2319^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 322849 + ... + 323028.

Almost surely, 2^58128930 is an apocalyptic number.

58128930 is an abundant number, since it is smaller than the sum of its proper divisors (93006522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

58128930 is a wasteful number, since it uses less digits than its factorization.

58128930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645890 (or 645887 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 58128930 is about 7624.2330761854. The cubic root of 58128930 is about 387.3742748561.

The spelling of 58128930 in words is "fifty-eight million, one hundred twenty-eight thousand, nine hundred thirty".