867429 has 10 divisors (see below), whose sum is σ = 1295910. Its totient is φ = 578232.

The previous prime is 867413. The next prime is 867431. The reversal of 867429 is 924768.

It can be written as a sum of positive squares in only one way, i.e., 859329 + 8100 = 927^2 + 90^2 .

It is not a de Polignac number, because 867429 - 2⁴ = 867413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 867393 and 867402.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5274 + ... + 5435.

It is an arithmetic number, because the mean of its divisors is an integer number (129591).

2⁸⁶⁷⁴²⁹ is an apocalyptic number.

It is an amenable number.

867429 is a deficient number, since it is larger than the sum of its proper divisors (428481).

867429 is a wasteful number, since it uses less digits than its factorization.

867429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10721 (or 10712 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 867429 is about 931.3586849329. The cubic root of 867429 is about 95.3698967557.

It can be divided in two parts, 867 and 429, that added together give a 4-th power (1296 = 6⁴).

The spelling of 867429 in words is "eight hundred sixty-seven thousand, four hundred twenty-nine".