610869 has 16 divisors (see below), whose sum is σ = 980480. Its totient is φ = 330480.

The previous prime is 610867. The next prime is 610877. The reversal of 610869 is 968016.

It is not a de Polignac number, because 610869 - 2¹ = 610867 is a prime.

It is a super-2 number, since 2×610869² = 746321870322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367 + ... + 1164.

It is an arithmetic number, because the mean of its divisors is an integer number (61280).

2⁶¹⁰⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

610869 is a deficient number, since it is larger than the sum of its proper divisors (369611).

610869 is a wasteful number, since it uses less digits than its factorization.

610869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 610869 is about 781.5810898429. The cubic root of 610869 is about 84.8495145889.

The spelling of 610869 in words is "six hundred ten thousand, eight hundred sixty-nine".