58209828 has 12 divisors (see below), whose sum is σ = 135822960. Its totient is φ = 19403272.

The previous prime is 58209821. The next prime is 58209839. The reversal of 58209828 is 82890285.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 58209828.

It is not an unprimeable number, because it can be changed into a prime (58209821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2425398 + ... + 2425421.

It is an arithmetic number, because the mean of its divisors is an integer number (11318580).

Almost surely, 2^58209828 is an apocalyptic number.

It is an amenable number.

58209828 is an abundant number, since it is smaller than the sum of its proper divisors (77613132).

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

58209828 is a wasteful number, since it uses less digits than its factorization.

58209828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850826 (or 4850824 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 58209828 is about 7629.5365521111. The cubic root of 58209828 is about 387.5538944116.

The spelling of 58209828 in words is "fifty-eight million, two hundred nine thousand, eight hundred twenty-eight".