870470 has 16 divisors (see below), whose sum is σ = 1593648. Its totient is φ = 342240.

The previous prime is 870461. The next prime is 870479. The reversal of 870470 is 74078.

It is an interprime number because it is at equal distance from previous prime (870461) and next prime (870479).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104 + ... + 1323.

It is an arithmetic number, because the mean of its divisors is an integer number (99603).

2⁸⁷⁰⁴⁷⁰ is an apocalyptic number.

870470 is a deficient number, since it is larger than the sum of its proper divisors (723178).

870470 is a wasteful number, since it uses less digits than its factorization.

870470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 870470 is about 932.9898177365. The cubic root of 870470 is about 95.4812148390.

The spelling of 870470 in words is "eight hundred seventy thousand, four hundred seventy".