2043992 has 8 divisors (see below), whose sum is σ = 3832500. Its totient is φ = 1021992.

The previous prime is 2043989. The next prime is 2043997. The reversal of 2043992 is 2993402.

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 (2043997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127742 + ... + 127757.

2^2043992 is an apocalyptic number.

It is an amenable number.

2043992 is a deficient number, since it is larger than the sum of its proper divisors (1788508).

2043992 is a wasteful number, since it uses less digits than its factorization.

2043992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255505 (or 255501 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 2043992 is about 1429.6824822316. The cubic root of 2043992 is about 126.9091875644.

The spelling of 2043992 in words is "two million, forty-three thousand, nine hundred ninety-two".