2087444 has 6 divisors (see below), whose sum is σ = 3653034. Its totient is φ = 1043720.

The previous prime is 2087443. The next prime is 2087453. The reversal of 2087444 is 4447802.

It can be written as a sum of positive squares in only one way, i.e., 2067844 + 19600 = 1438^2 + 140^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260927 + ... + 260934.

It is an arithmetic number, because the mean of its divisors is an integer number (608839).

2^2087444 is an apocalyptic number.

It is an amenable number.

2087444 is a deficient number, since it is larger than the sum of its proper divisors (1565590).

2087444 is a wasteful number, since it uses less digits than its factorization.

2087444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521865 (or 521863 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 2087444 is about 1444.7989479509. The cubic root of 2087444 is about 127.8021846817.

The spelling of 2087444 in words is "two million, eighty-seven thousand, four hundred forty-four".