867479 has 4 divisors (see below), whose sum is σ = 885984. Its totient is φ = 848976.

The previous prime is 867467. The next prime is 867487. The reversal of 867479 is 974768.

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 867479 - 2⁴ = 867463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867409) 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, 9182 + ... + 9275.

It is an arithmetic number, because the mean of its divisors is an integer number (221496).

2⁸⁶⁷⁴⁷⁹ is an apocalyptic number.

867479 is a deficient number, since it is larger than the sum of its proper divisors (18505).

867479 is a wasteful number, since it uses less digits than its factorization.

867479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18504.

The product of its digits is 84672, while the sum is 41.

The square root of 867479 is about 931.3855270510. The cubic root of 867479 is about 95.3717291451.

The spelling of 867479 in words is "eight hundred sixty-seven thousand, four hundred seventy-nine".