2793638 has 4 divisors (see below), whose sum is σ = 4190460. Its totient is φ = 1396818.

The previous prime is 2793607. The next prime is 2793643. The reversal of 2793638 is 8363972.

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

It is a d-powerful number, because it can be written as 2 + 7⁶ + 9 + 3⁶ + 6⁶ + 3¹² + 8⁷ .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698408 + ... + 698411.

It is an arithmetic number, because the mean of its divisors is an integer number (1047615).

2^2793638 is an apocalyptic number.

2793638 is a deficient number, since it is larger than the sum of its proper divisors (1396822).

2793638 is a wasteful number, since it uses less digits than its factorization.

2793638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396821.

The product of its digits is 54432, while the sum is 38.

The square root of 2793638 is about 1671.4179608943. The cubic root of 2793638 is about 140.8391438923.

The spelling of 2793638 in words is "two million, seven hundred ninety-three thousand, six hundred thirty-eight".