870746 has 8 divisors (see below), whose sum is σ = 1314624. Its totient is φ = 432540.

The previous prime is 870743. The next prime is 870773. The reversal of 870746 is 647078.

Added to its reverse (647078) it gives a square (1517824 = 1232²).

870746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (870743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010 + ... + 1661.

It is an arithmetic number, because the mean of its divisors is an integer number (164328).

2⁸⁷⁰⁷⁴⁶ is an apocalyptic number.

870746 is a deficient number, since it is larger than the sum of its proper divisors (443878).

870746 is a wasteful number, since it uses less digits than its factorization.

870746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 870746 is about 933.1377175959. The cubic root of 870746 is about 95.4913051850.

Adding to 870746 its reverse (647078), we get a square (1517824 = 1232²).

The spelling of 870746 in words is "eight hundred seventy thousand, seven hundred forty-six".