58689921 has 8 divisors (see below), whose sum is σ = 79729920. Its totient is φ = 38388272.

The previous prime is 58689919. The next prime is 58689937. The reversal of 58689921 is 12998685.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 58689921 - 2¹ = 58689919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (58689971) 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, 184401 + ... + 184718.

It is an arithmetic number, because the mean of its divisors is an integer number (9966240).

Almost surely, 2^58689921 is an apocalyptic number.

It is an amenable number.

58689921 is a deficient number, since it is larger than the sum of its proper divisors (21039999).

58689921 is a wasteful number, since it uses less digits than its factorization.

58689921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369175.

The product of its digits is 311040, while the sum is 48.

The square root of 58689921 is about 7660.9347340909. The cubic root of 58689921 is about 388.6164453362.

The spelling of 58689921 in words is "fifty-eight million, six hundred eighty-nine thousand, nine hundred twenty-one".