58921380 has 144 divisors (see below), whose sum is σ = 206728704. Its totient is φ = 13305600.

The previous prime is 58921351. The next prime is 58921397. The reversal of 58921380 is 8312985.

It is a super-2 number, since 2×58921380² = 6943458042208800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127029 + ... + 127491.

It is an arithmetic number, because the mean of its divisors is an integer number (1435616).

Almost surely, 2^58921380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 58921380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103364352).

58921380 is an abundant number, since it is smaller than the sum of its proper divisors (147807324).

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

58921380 is a wasteful number, since it uses less digits than its factorization.

58921380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 581 counting only the distinct ones).

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

The square root of 58921380 is about 7676.0263157444. The cubic root of 58921380 is about 389.1266453002.

The spelling of 58921380 in words is "fifty-eight million, nine hundred twenty-one thousand, three hundred eighty".