8321442 has 16 divisors (see below), whose sum is σ = 17049312. Its totient is φ = 2706080.

The previous prime is 8321429. The next prime is 8321503. The reversal of 8321442 is 2441238.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16668 + ... + 17159.

It is an arithmetic number, because the mean of its divisors is an integer number (1065582).

Almost surely, 2^8321442 is an apocalyptic number.

8321442 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

8321442 is an abundant number, since it is smaller than the sum of its proper divisors (8727870).

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

8321442 is a wasteful number, since it uses less digits than its factorization.

8321442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33873.

The product of its digits is 1536, while the sum is 24.

The square root of 8321442 is about 2884.6909713174. The cubic root of 8321442 is about 202.6435866251.

The spelling of 8321442 in words is "eight million, three hundred twenty-one thousand, four hundred forty-two".