58961639 has 8 divisors (see below), whose sum is σ = 64390032. Its totient is φ = 53544640.

The previous prime is 58961633. The next prime is 58961647. The reversal of 58961639 is 93616985.

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 58961639 - 2²⁴ = 42184423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 58961593 and 58961602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58961633) 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, 10877 + ... + 15369.

It is an arithmetic number, because the mean of its divisors is an integer number (8048754).

Almost surely, 2^58961639 is an apocalyptic number.

58961639 is a deficient number, since it is larger than the sum of its proper divisors (5428393).

58961639 is a wasteful number, since it uses less digits than its factorization.

58961639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5697.

The product of its digits is 349920, while the sum is 47.

The square root of 58961639 is about 7678.6482534363. The cubic root of 58961639 is about 389.2152508453.

The spelling of 58961639 in words is "fifty-eight million, nine hundred sixty-one thousand, six hundred thirty-nine".