610939 has 4 divisors (see below), whose sum is σ = 698224. Its totient is φ = 523656.

The previous prime is 610933. The next prime is 610957. The reversal of 610939 is 939016.

It is a happy number.

610939 is nontrivially palindromic in base 3.

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

It is a de Polignac number, because none of the positive numbers 2^k-610939 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610933) 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, 43632 + ... + 43645.

It is an arithmetic number, because the mean of its divisors is an integer number (174556).

2⁶¹⁰⁹³⁹ is an apocalyptic number.

610939 is a deficient number, since it is larger than the sum of its proper divisors (87285).

610939 is an equidigital number, since it uses as much as digits as its factorization.

610939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87284.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 610939 is about 781.6258695821. The cubic root of 610939 is about 84.8527554578.

The spelling of 610939 in words is "six hundred ten thousand, nine hundred thirty-nine".