61384589 has 8 divisors (see below), whose sum is σ = 70337280. Its totient is φ = 52477776.

The previous prime is 61384579. The next prime is 61384597. The reversal of 61384589 is 98548316.

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 61384589 - 2¹⁶ = 61319053 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 (61384579) 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, 8549 + ... + 13994.

It is an arithmetic number, because the mean of its divisors is an integer number (8792160).

Almost surely, 2^61384589 is an apocalyptic number.

It is an amenable number.

61384589 is a deficient number, since it is larger than the sum of its proper divisors (8952691).

61384589 is a wasteful number, since it uses less digits than its factorization.

61384589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22939.

The product of its digits is 207360, while the sum is 44.

The square root of 61384589 is about 7834.8317786663. The cubic root of 61384589 is about 394.4752718411.

The spelling of 61384589 in words is "sixty-one million, three hundred eighty-four thousand, five hundred eighty-nine".