678652 has 24 divisors (see below), whose sum is σ = 1323392. Its totient is φ = 302400.

The previous prime is 678649. The next prime is 678653. The reversal of 678652 is 256876.

It is a d-powerful number, because it can be written as 6⁴ + 7⁵ + 6⁵ + 8⁶ + 5⁸ + 2² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678653) 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, 1402 + ... + 1822.

2⁶⁷⁸⁶⁵² is an apocalyptic number.

678652 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

678652 is a deficient number, since it is larger than the sum of its proper divisors (644740).

678652 is a wasteful number, since it uses less digits than its factorization.

678652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 467 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 678652 is about 823.8033745986. The cubic root of 678652 is about 87.8784478830.

The spelling of 678652 in words is "six hundred seventy-eight thousand, six hundred fifty-two".