678036 has 12 divisors (see below), whose sum is σ = 1582112. Its totient is φ = 226008.

The previous prime is 678023. The next prime is 678037. The reversal of 678036 is 630876.

It is a tau number, because it is divible by the number of its divisors (12).

It is a d-powerful number, because it can be written as 6⁷ + 7⁶ + 0 + 8³ + 3 + 6⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 677994 and 678012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678037) by changing a digit.

678036 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28240 + ... + 28263.

2⁶⁷⁸⁰³⁶ is an apocalyptic number.

It is an amenable number.

678036 is an abundant number, since it is smaller than the sum of its proper divisors (904076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

678036 is a wasteful number, since it uses less digits than its factorization.

678036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56510 (or 56508 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 678036 is about 823.4294140969. The cubic root of 678036 is about 87.8518512813.

The spelling of 678036 in words is "six hundred seventy-eight thousand, thirty-six".