2073638 has 16 divisors (see below), whose sum is σ = 3605280. Its totient is φ = 876096.

The previous prime is 2073619. The next prime is 2073647. The reversal of 2073638 is 8363702.

It is a self number, because there is not a number n which added to its sum of digits gives 2073638.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 8 + ... + 2036.

It is an arithmetic number, because the mean of its divisors is an integer number (225330).

2^2073638 is an apocalyptic number.

2073638 is a deficient number, since it is larger than the sum of its proper divisors (1531642).

2073638 is a wasteful number, since it uses less digits than its factorization.

2073638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 2073638 is about 1440.0131943840. The cubic root of 2073638 is about 127.5198072521.

Subtracting 2073638 from its reverse (8363702), we obtain a square (6290064 = 2508²).

The spelling of 2073638 in words is "two million, seventy-three thousand, six hundred thirty-eight".