2037998 has 4 divisors (see below), whose sum is σ = 3057000. Its totient is φ = 1018998.

The previous prime is 2037979. The next prime is 2038019. The reversal of 2037998 is 8997302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8997302 = 2 ⋅4498651.

It is a congruent number.

It is an unprimeable number.

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, 509498 + ... + 509501.

It is an arithmetic number, because the mean of its divisors is an integer number (764250).

2^2037998 is an apocalyptic number.

2037998 is a deficient number, since it is larger than the sum of its proper divisors (1019002).

2037998 is a wasteful number, since it uses less digits than its factorization.

2037998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019001.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2037998 is about 1427.5846734958. The cubic root of 2037998 is about 126.7850125088.

The spelling of 2037998 in words is "two million, thirty-seven thousand, nine hundred ninety-eight".