3845992 has 8 divisors (see below), whose sum is σ = 7211250. Its totient is φ = 1922992.

The previous prime is 3845987. The next prime is 3845993. The reversal of 3845992 is 2995483.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2604996 + 1240996 = 1614^2 + 1114^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3845993) 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, 240367 + ... + 240382.

Almost surely, 2^3845992 is an apocalyptic number.

It is an amenable number.

3845992 is a deficient number, since it is larger than the sum of its proper divisors (3365258).

3845992 is a wasteful number, since it uses less digits than its factorization.

3845992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480755 (or 480751 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 3845992 is about 1961.1200881129. The cubic root of 3845992 is about 156.6761143138.

The spelling of 3845992 in words is "three million, eight hundred forty-five thousand, nine hundred ninety-two".