867434 has 8 divisors (see below), whose sum is σ = 1308960. Its totient is φ = 431116.

The previous prime is 867431. The next prime is 867443. The reversal of 867434 is 434768.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 867434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867431) 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 3 ways as a sum of consecutive naturals, for example, 854 + ... + 1569.

It is an arithmetic number, because the mean of its divisors is an integer number (163620).

2⁸⁶⁷⁴³⁴ is an apocalyptic number.

867434 is a deficient number, since it is larger than the sum of its proper divisors (441526).

867434 is a wasteful number, since it uses less digits than its factorization.

867434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604.

The product of its digits is 16128, while the sum is 32.

The square root of 867434 is about 931.3613691795. The cubic root of 867434 is about 95.3700799978.

It can be divided in two parts, 867 and 434, that multiplied together give a triangular number (376278 = T₈₆₇).

The spelling of 867434 in words is "eight hundred sixty-seven thousand, four hundred thirty-four".