870346 has 12 divisors (see below), whose sum is σ = 1340658. Its totient is φ = 423752.

The previous prime is 870341. The next prime is 870367. The reversal of 870346 is 643078.

It can be written as a sum of positive squares in only one way, i.e., 497025 + 373321 = 705^2 + 611^2 .

It is not an unprimeable number, because it can be changed into a prime (870341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4320 + ... + 4516.

2⁸⁷⁰³⁴⁶ is an apocalyptic number.

870346 is a deficient number, since it is larger than the sum of its proper divisors (470312).

870346 is a wasteful number, since it uses less digits than its factorization.

870346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 870346 is about 932.9233623401. The cubic root of 870346 is about 95.4766808007.

The spelling of 870346 in words is "eight hundred seventy thousand, three hundred forty-six".