60989 has 4 divisors (see below), whose sum is σ = 61920. Its totient is φ = 60060.

The previous prime is 60961. The next prime is 61001. The reversal of 60989 is 98906.

Added to its reverse (98906) it gives a triangular number (159895 = T₅₆₅).

It is a happy number.

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 60989 - 2⁸ = 60733 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 (60919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359 + ... + 500.

It is an arithmetic number, because the mean of its divisors is an integer number (15480).

2⁶⁰⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

60989 is a deficient number, since it is larger than the sum of its proper divisors (931).

60989 is an equidigital number, since it uses as much as digits as its factorization.

60989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 60989 is about 246.9595108515. The cubic root of 60989 is about 39.3626054883.

Adding to 60989 its reverse (98906), we get a triangular number (159895 = T₅₆₅).

It can be divided in two parts, 60 and 989, that multiplied together give a triangular number (59340 = T₃₄₄).

The spelling of 60989 in words is "sixty thousand, nine hundred eighty-nine".