8020344 has 32 divisors (see below), whose sum is σ = 20211840. Its totient is φ = 2652000.

The previous prime is 8020343. The next prime is 8020357. The reversal of 8020344 is 4430208.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8020344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8020343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1869 + ... + 4419.

It is an arithmetic number, because the mean of its divisors is an integer number (631620).

Almost surely, 2^8020344 is an apocalyptic number.

It is an amenable number.

8020344 is an abundant number, since it is smaller than the sum of its proper divisors (12191496).

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

8020344 is a wasteful number, since it uses less digits than its factorization.

8020344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691 (or 2687 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 8020344 is about 2832.0211863614. The cubic root of 8020344 is about 200.1693898283.

The spelling of 8020344 in words is "eight million, twenty thousand, three hundred forty-four".