2067638 has 8 divisors (see below), whose sum is σ = 3201600. Its totient is φ = 1000440.

The previous prime is 2067623. The next prime is 2067647. The reversal of 2067638 is 8367602.

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

It is an Ulam number.

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 in 3 ways as a sum of consecutive naturals, for example, 16613 + ... + 16736.

It is an arithmetic number, because the mean of its divisors is an integer number (400200).

2^2067638 is an apocalyptic number.

2067638 is a deficient number, since it is larger than the sum of its proper divisors (1133962).

2067638 is a wasteful number, since it uses less digits than its factorization.

2067638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33382.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2067638 is about 1437.9283709559. The cubic root of 2067638 is about 127.3966970499.

The spelling of 2067638 in words is "two million, sixty-seven thousand, six hundred thirty-eight".