870678 has 12 divisors (see below), whose sum is σ = 1886508. Its totient is φ = 290220.

The previous prime is 870643. The next prime is 870679. The reversal of 870678 is 876078.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24168 + ... + 24203.

It is an arithmetic number, because the mean of its divisors is an integer number (157209).

2⁸⁷⁰⁶⁷⁸ is an apocalyptic number.

870678 is an abundant number, since it is smaller than the sum of its proper divisors (1015830).

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

870678 is a wasteful number, since it uses less digits than its factorization.

870678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48379 (or 48376 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 870678 is about 933.1012806764. The cubic root of 870678 is about 95.4888193557.

The spelling of 870678 in words is "eight hundred seventy thousand, six hundred seventy-eight".