8355442 has 8 divisors (see below), whose sum is σ = 12629232. Its totient is φ = 4145700.

The previous prime is 8355439. The next prime is 8355469. The reversal of 8355442 is 2445538.

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

It is a super-2 number, since 2×8355442² = 139626822030728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15684 + ... + 16207.

It is an arithmetic number, because the mean of its divisors is an integer number (1578654).

Almost surely, 2^8355442 is an apocalyptic number.

8355442 is a deficient number, since it is larger than the sum of its proper divisors (4273790).

8355442 is a wasteful number, since it uses less digits than its factorization.

8355442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32024.

The product of its digits is 19200, while the sum is 31.

The square root of 8355442 is about 2890.5781428635. The cubic root of 8355442 is about 202.9192006977.

The spelling of 8355442 in words is "eight million, three hundred fifty-five thousand, four hundred forty-two".