2097638 has 8 divisors (see below), whose sum is σ = 3312120. Its totient is φ = 993600.

The previous prime is 2097629. The next prime is 2097643. The reversal of 2097638 is 8367902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2097598 and 2097607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27563 + ... + 27638.

It is an arithmetic number, because the mean of its divisors is an integer number (414015).

2^2097638 is an apocalyptic number.

2097638 is a deficient number, since it is larger than the sum of its proper divisors (1214482).

2097638 is a wasteful number, since it uses less digits than its factorization.

2097638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55222.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2097638 is about 1448.3224779033. The cubic root of 2097638 is about 128.0098869316.

The spelling of 2097638 in words is "two million, ninety-seven thousand, six hundred thirty-eight".