861174 has 12 divisors (see below), whose sum is σ = 1865916. Its totient is φ = 287052.

The previous prime is 861167. The next prime is 861191. The reversal of 861174 is 471168.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23904 + ... + 23939.

It is an arithmetic number, because the mean of its divisors is an integer number (155493).

2⁸⁶¹¹⁷⁴ is an apocalyptic number.

861174 is an abundant number, since it is smaller than the sum of its proper divisors (1004742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

861174 is a wasteful number, since it uses less digits than its factorization.

861174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47851 (or 47848 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 861174 is about 927.9946120533. The cubic root of 861174 is about 95.1401072093.

It can be divided in two parts, 861 and 174, that added together give a triangular number (1035 = T₄₅).

The spelling of 861174 in words is "eight hundred sixty-one thousand, one hundred seventy-four".