58397309 has 4 divisors (see below), whose sum is σ = 58619616. Its totient is φ = 58175004.

The previous prime is 58397303. The next prime is 58397321. The reversal of 58397309 is 90379385.

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 58397309 - 2⁴ = 58397293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 58397309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58397303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110759 + ... + 111284.

It is an arithmetic number, because the mean of its divisors is an integer number (14654904).

Almost surely, 2^58397309 is an apocalyptic number.

It is an amenable number.

58397309 is a deficient number, since it is larger than the sum of its proper divisors (222307).

58397309 is a wasteful number, since it uses less digits than its factorization.

58397309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222306.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 58397309 is about 7641.8132010669. The cubic root of 58397309 is about 387.9695236806.

The spelling of 58397309 in words is "fifty-eight million, three hundred ninety-seven thousand, three hundred nine".