7920344 has 8 divisors (see below), whose sum is σ = 14850660. Its totient is φ = 3960168.

The previous prime is 7920343. The next prime is 7920347. The reversal of 7920344 is 4430297.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7920343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495014 + ... + 495029.

Almost surely, 2^7920344 is an apocalyptic number.

It is an amenable number.

7920344 is a deficient number, since it is larger than the sum of its proper divisors (6930316).

7920344 is a wasteful number, since it uses less digits than its factorization.

7920344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990049 (or 990045 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 7920344 is about 2814.3105727691. The cubic root of 7920344 is about 199.3339845792. Note that the first 3 decimals are identical.

The spelling of 7920344 in words is "seven million, nine hundred twenty thousand, three hundred forty-four".