8505442 has 8 divisors (see below), whose sum is σ = 13918032. Its totient is φ = 3866100.

The previous prime is 8505433. The next prime is 8505451. The reversal of 8505442 is 2445058.

It is an interprime number because it is at equal distance from previous prime (8505433) and next prime (8505451).

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

It is a self number, because there is not a number n which added to its sum of digits gives 8505442.

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, 193284 + ... + 193327.

It is an arithmetic number, because the mean of its divisors is an integer number (1739754).

Almost surely, 2^8505442 is an apocalyptic number.

8505442 is a deficient number, since it is larger than the sum of its proper divisors (5412590).

8505442 is a wasteful number, since it uses less digits than its factorization.

8505442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386624.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 8505442 is about 2916.4090933886. The cubic root of 8505442 is about 204.1262994652.

The spelling of 8505442 in words is "eight million, five hundred five thousand, four hundred forty-two".