678152 has 16 divisors (see below), whose sum is σ = 1285440. Its totient is φ = 335376.

The previous prime is 678133. The next prime is 678157. The reversal of 678152 is 251876.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 678152.

It is not an unprimeable number, because it can be changed into a prime (678157) by changing a digit.

678152 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413 + ... + 1235.

It is an arithmetic number, because the mean of its divisors is an integer number (80340).

2⁶⁷⁸¹⁵² is an apocalyptic number.

It is a pronic number, being equal to 823×824.

It is an amenable number.

678152 is a deficient number, since it is larger than the sum of its proper divisors (607288).

678152 is a wasteful number, since it uses less digits than its factorization.

678152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932 (or 928 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 678152 is about 823.4998482089. The cubic root of 678152 is about 87.8568609631.

The spelling of 678152 in words is "six hundred seventy-eight thousand, one hundred fifty-two".