610889 has 4 divisors (see below), whose sum is σ = 613524. Its totient is φ = 608256.

The previous prime is 610879. The next prime is 610891. The reversal of 610889 is 988016.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 466489 + 144400 = 683^2 + 380^2 .

It is a cyclic number.

It is not a de Polignac number, because 610889 - 2⁸ = 610633 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 (610829) 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, 932 + ... + 1445.

It is an arithmetic number, because the mean of its divisors is an integer number (153381).

2⁶¹⁰⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

610889 is a deficient number, since it is larger than the sum of its proper divisors (2635).

610889 is a wasteful number, since it uses less digits than its factorization.

610889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 610889 is about 781.5938843159. The cubic root of 610889 is about 84.8504405767.

The spelling of 610889 in words is "six hundred ten thousand, eight hundred eighty-nine".