58438661 has 8 divisors (see below), whose sum is σ = 61924800. Its totient is φ = 54993600.

The previous prime is 58438657. The next prime is 58438687. The reversal of 58438661 is 16683485.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 58438661 - 2² = 58438657 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58438621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7316 + ... + 13053.

It is an arithmetic number, because the mean of its divisors is an integer number (7740600).

Almost surely, 2^58438661 is an apocalyptic number.

It is an amenable number.

58438661 is a deficient number, since it is larger than the sum of its proper divisors (3486139).

58438661 is a wasteful number, since it uses less digits than its factorization.

58438661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20539.

The product of its digits is 138240, while the sum is 41.

The square root of 58438661 is about 7644.5183628532. The cubic root of 58438661 is about 388.0610777303.

The spelling of 58438661 in words is "fifty-eight million, four hundred thirty-eight thousand, six hundred sixty-one".