58438381 has 4 divisors (see below), whose sum is σ = 58615264. Its totient is φ = 58261500.

The previous prime is 58438361. The next prime is 58438397. The reversal of 58438381 is 18383485.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 58438381 - 2¹⁷ = 58307309 is a prime.

It is a super-2 number, since 2×58438381² = 6830088747802322, which contains 22 as substring.

It is the 7645-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58438321) by changing a digit.

It is a nontrivial repunit in base 7644.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87945 + ... + 88606.

It is an arithmetic number, because the mean of its divisors is an integer number (14653816).

Almost surely, 2^58438381 is an apocalyptic number.

It is an amenable number.

58438381 is a deficient number, since it is larger than the sum of its proper divisors (176883).

58438381 is a wasteful number, since it uses less digits than its factorization.

58438381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176882.

The product of its digits is 92160, while the sum is 40.

The square root of 58438381 is about 7644.5000490549. The cubic root of 58438381 is about 388.0604579507.

The spelling of 58438381 in words is "fifty-eight million, four hundred thirty-eight thousand, three hundred eighty-one".