861614 has 16 divisors (see below), whose sum is σ = 1438080. Its totient is φ = 384480.

The previous prime is 861613. The next prime is 861617. The reversal of 861614 is 416168.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 861614.

It is not an unprimeable number, because it can be changed into a prime (861613) 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 7 ways as a sum of consecutive naturals, for example, 272 + ... + 1340.

It is an arithmetic number, because the mean of its divisors is an integer number (89880).

2⁸⁶¹⁶¹⁴ is an apocalyptic number.

861614 is a deficient number, since it is larger than the sum of its proper divisors (576466).

861614 is a wasteful number, since it uses less digits than its factorization.

861614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115.

The product of its digits is 1152, while the sum is 26.

The square root of 861614 is about 928.2316521214. The cubic root of 861614 is about 95.1563077757.

The spelling of 861614 in words is "eight hundred sixty-one thousand, six hundred fourteen".