678452 has 24 divisors (see below), whose sum is σ = 1276800. Its totient is φ = 314496.

The previous prime is 678451. The next prime is 678463. The reversal of 678452 is 254876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5948 + ... + 6060.

It is an arithmetic number, because the mean of its divisors is an integer number (53200).

2⁶⁷⁸⁴⁵² is an apocalyptic number.

It is an amenable number.

678452 is a deficient number, since it is larger than the sum of its proper divisors (598348).

678452 is a wasteful number, since it uses less digits than its factorization.

678452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 213 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 678452 is about 823.6819774646. The cubic root of 678452 is about 87.8698143878.

The spelling of 678452 in words is "six hundred seventy-eight thousand, four hundred fifty-two".