861467 has 4 divisors (see below), whose sum is σ = 864120. Its totient is φ = 858816.

The previous prime is 861439. The next prime is 861491. The reversal of 861467 is 764168.

861467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 861467 - 2¹⁴ = 845083 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 861467.

It is not an unprimeable number, because it can be changed into a prime (861437) 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, 758 + ... + 1515.

It is an arithmetic number, because the mean of its divisors is an integer number (216030).

2⁸⁶¹⁴⁶⁷ is an apocalyptic number.

861467 is the 758-th pentagonal number.

861467 is a deficient number, since it is larger than the sum of its proper divisors (2653).

861467 is a wasteful number, since it uses less digits than its factorization.

861467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652.

The product of its digits is 8064, while the sum is 32.

The square root of 861467 is about 928.1524659236. The cubic root of 861467 is about 95.1508959274.

The spelling of 861467 in words is "eight hundred sixty-one thousand, four hundred sixty-seven".