8670642 has 8 divisors (see below), whose sum is σ = 17341296. Its totient is φ = 2890212.

The previous prime is 8670637. The next prime is 8670653. The reversal of 8670642 is 2460768.

It is a sphenic number, since it is the product of 3 distinct primes.

8670642 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722548 + ... + 722559.

It is an arithmetic number, because the mean of its divisors is an integer number (2167662).

Almost surely, 2^8670642 is an apocalyptic number.

8670642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8670642 is a wasteful number, since it uses less digits than its factorization.

8670642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445112.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 8670642 is about 2944.5953881646. The cubic root of 8670642 is about 205.4394064815.

The spelling of 8670642 in words is "eight million, six hundred seventy thousand, six hundred forty-two".