8210042 has 8 divisors (see below), whose sum is σ = 12412416. Its totient is φ = 4072572.

The previous prime is 8210017. The next prime is 8210053. The reversal of 8210042 is 2400128.

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 8210042.

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, 15908 + ... + 16415.

It is an arithmetic number, because the mean of its divisors is an integer number (1551552).

Almost surely, 2^8210042 is an apocalyptic number.

8210042 is a deficient number, since it is larger than the sum of its proper divisors (4202374).

8210042 is a wasteful number, since it uses less digits than its factorization.

8210042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32452.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 8210042 is about 2865.3170854200. The cubic root of 8210042 is about 201.7352509785.

The spelling of 8210042 in words is "eight million, two hundred ten thousand, forty-two".