870418 has 16 divisors (see below), whose sum is σ = 1370880. Its totient is φ = 414000.

The previous prime is 870413. The next prime is 870431. The reversal of 870418 is 814078.

It is not an unprimeable number, because it can be changed into a prime (870413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6193 + ... + 6331.

It is an arithmetic number, because the mean of its divisors is an integer number (85680).

2⁸⁷⁰⁴¹⁸ is an apocalyptic number.

870418 is a deficient number, since it is larger than the sum of its proper divisors (500462).

870418 is a wasteful number, since it uses less digits than its factorization.

870418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 870418 is about 932.9619499208. The cubic root of 870418 is about 95.4793135205.

The spelling of 870418 in words is "eight hundred seventy thousand, four hundred eighteen".