870348 has 48 divisors (see below), whose sum is σ = 2187360. Its totient is φ = 268800.

The previous prime is 870341. The next prime is 870367. The reversal of 870348 is 843078.

It is a super-2 number, since 2×870348² = 1515011282208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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 15 ways as a sum of consecutive naturals, for example, 14238 + ... + 14298.

It is an arithmetic number, because the mean of its divisors is an integer number (45570).

2⁸⁷⁰³⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1093680).

870348 is an abundant number, since it is smaller than the sum of its proper divisors (1317012).

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

870348 is a wasteful number, since it uses less digits than its factorization.

870348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 870348 is about 932.9244342389. The cubic root of 870348 is about 95.4767539338.

The spelling of 870348 in words is "eight hundred seventy thousand, three hundred forty-eight".