2381992 has 16 divisors (see below), whose sum is σ = 4701600. Its totient is φ = 1128240.

The previous prime is 2381983. The next prime is 2381999. The reversal of 2381992 is 2991832.

It is not an unprimeable number, because it can be changed into a prime (2381999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7684 + ... + 7987.

It is an arithmetic number, because the mean of its divisors is an integer number (293850).

2^2381992 is an apocalyptic number.

It is an amenable number.

2381992 is a deficient number, since it is larger than the sum of its proper divisors (2319608).

2381992 is a wasteful number, since it uses less digits than its factorization.

2381992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15696 (or 15692 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 2381992 is about 1543.3703379293. The cubic root of 2381992 is about 133.5508837345.

The spelling of 2381992 in words is "two million, three hundred eighty-one thousand, nine hundred ninety-two".