870411 has 4 divisors (see below), whose sum is σ = 1160552. Its totient is φ = 580272.

The previous prime is 870407. The next prime is 870413. The reversal of 870411 is 114078.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 870411 - 2² = 870407 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870413) 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, 145066 + ... + 145071.

It is an arithmetic number, because the mean of its divisors is an integer number (290138).

2⁸⁷⁰⁴¹¹ is an apocalyptic number.

870411 is a deficient number, since it is larger than the sum of its proper divisors (290141).

870411 is a wasteful number, since it uses less digits than its factorization.

870411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290140.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 870411 is about 932.9581984205. The cubic root of 870411 is about 95.4790575680.

Adding to 870411 its reverse (114078), we get a palindrome (984489).

The spelling of 870411 in words is "eight hundred seventy thousand, four hundred eleven".