2087938 has 4 divisors (see below), whose sum is σ = 3131910. Its totient is φ = 1043968.

The previous prime is 2087927. The next prime is 2087941. The reversal of 2087938 is 8397802.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1814409 + 273529 = 1347^2 + 523^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2087897 and 2087906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521983 + ... + 521986.

2^2087938 is an apocalyptic number.

2087938 is a deficient number, since it is larger than the sum of its proper divisors (1043972).

2087938 is a wasteful number, since it uses less digits than its factorization.

2087938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043971.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2087938 is about 1444.9698958802. The cubic root of 2087938 is about 127.8122654790.

It can be divided in two parts, 2087 and 938, that added together give a square (3025 = 55²).

The spelling of 2087938 in words is "two million, eighty-seven thousand, nine hundred thirty-eight".