942997844 has 6 divisors (see below), whose sum is σ = 1650246234. Its totient is φ = 471498920.

The previous prime is 942997829. The next prime is 942997877. The reversal of 942997844 is 448799249.

It can be written as a sum of positive squares in only one way, i.e., 772172944 + 170824900 = 27788^2 + 13070^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 942997844.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117874727 + ... + 117874734.

It is an arithmetic number, because the mean of its divisors is an integer number (275041039).

Almost surely, 2^942997844 is an apocalyptic number.

It is an amenable number.

942997844 is a deficient number, since it is larger than the sum of its proper divisors (707248390).

942997844 is a wasteful number, since it uses less digits than its factorization.

942997844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235749465 (or 235749463 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 56.

The square root of 942997844 is about 30708.2699610382. The cubic root of 942997844 is about 980.6263675848.

The spelling of 942997844 in words is "nine hundred forty-two million, nine hundred ninety-seven thousand, eight hundred forty-four".