684274 has 8 divisors (see below), whose sum is σ = 1033200. Its totient is φ = 339876.

The previous prime is 684269. The next prime is 684287. The reversal of 684274 is 472486.

684274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724 + ... + 1375.

It is an arithmetic number, because the mean of its divisors is an integer number (129150).

2⁶⁸⁴²⁷⁴ is an apocalyptic number.

684274 is a deficient number, since it is larger than the sum of its proper divisors (348926).

684274 is a wasteful number, since it uses less digits than its factorization.

684274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264.

The product of its digits is 10752, while the sum is 31.

The square root of 684274 is about 827.2085589499. The cubic root of 684274 is about 88.1204445778.

The spelling of 684274 in words is "six hundred eighty-four thousand, two hundred seventy-four".