684046 has 32 divisors (see below), whose sum is σ = 1244160. Its totient is φ = 278400.

The previous prime is 684037. The next prime is 684053. The reversal of 684046 is 640486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11565 + ... + 11623.

It is an arithmetic number, because the mean of its divisors is an integer number (38880).

2⁶⁸⁴⁰⁴⁶ is an apocalyptic number.

684046 is a deficient number, since it is larger than the sum of its proper divisors (560114).

684046 is a wasteful number, since it uses less digits than its factorization.

684046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 684046 is about 827.0707345808. The cubic root of 684046 is about 88.1106562507.

It can be divided in two parts, 6840 and 46, that added together give a palindrome (6886).

The spelling of 684046 in words is "six hundred eighty-four thousand, forty-six".