2087992 has 8 divisors (see below), whose sum is σ = 3915000. Its totient is φ = 1043992.

The previous prime is 2087983. The next prime is 2087993. The reversal of 2087992 is 2997802.

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087993) 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, 130492 + ... + 130507.

It is an arithmetic number, because the mean of its divisors is an integer number (489375).

2^2087992 is an apocalyptic number.

It is an amenable number.

2087992 is a deficient number, since it is larger than the sum of its proper divisors (1827008).

2087992 is a wasteful number, since it uses less digits than its factorization.

2087992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261005 (or 261001 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 2087992 is about 1444.9885812698. The cubic root of 2087992 is about 127.8133673321.

The spelling of 2087992 in words is "two million, eighty-seven thousand, nine hundred ninety-two".