58409861 has 4 divisors (see below), whose sum is σ = 59652672. Its totient is φ = 57167052.

The previous prime is 58409849. The next prime is 58409873. The reversal of 58409861 is 16890485.

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 an interprime number because it is at equal distance from previous prime (58409849) and next prime (58409873).

It is a cyclic number.

It is not a de Polignac number, because 58409861 - 2¹⁰ = 58408837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58409801) 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, 621335 + ... + 621428.

It is an arithmetic number, because the mean of its divisors is an integer number (14913168).

Almost surely, 2^58409861 is an apocalyptic number.

It is an amenable number.

58409861 is a deficient number, since it is larger than the sum of its proper divisors (1242811).

58409861 is a wasteful number, since it uses less digits than its factorization.

58409861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242810.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 58409861 is about 7642.6344279967. The cubic root of 58409861 is about 387.9973185949.

The spelling of 58409861 in words is "fifty-eight million, four hundred nine thousand, eight hundred sixty-one".