684034 has 8 divisors (see below), whose sum is σ = 1105020. Its totient is φ = 315696.

The previous prime is 684017. The next prime is 684037. The reversal of 684034 is 430486.

It can be written as a sum of positive squares in 2 ways, for example, as 558009 + 126025 = 747^2 + 355^2 .

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

It is not an unprimeable number, because it can be changed into a prime (684037) 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, 13129 + ... + 13180.

2⁶⁸⁴⁰³⁴ is an apocalyptic number.

684034 is a deficient number, since it is larger than the sum of its proper divisors (420986).

684034 is a wasteful number, since it uses less digits than its factorization.

684034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26324.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 684034 is about 827.0634800304. The cubic root of 684034 is about 88.1101410153.

The spelling of 684034 in words is "six hundred eighty-four thousand, thirty-four".