2750638 has 8 divisors (see below), whose sum is σ = 4501080. Its totient is φ = 1250280.

The previous prime is 2750623. The next prime is 2750641. The reversal of 2750638 is 8360572.

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

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, 62493 + ... + 62536.

It is an arithmetic number, because the mean of its divisors is an integer number (562635).

2^2750638 is an apocalyptic number.

2750638 is a deficient number, since it is larger than the sum of its proper divisors (1750442).

2750638 is a wasteful number, since it uses less digits than its factorization.

2750638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125042.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2750638 is about 1658.5047482597. The cubic root of 2750638 is about 140.1128002471.

The spelling of 2750638 in words is "two million, seven hundred fifty thousand, six hundred thirty-eight".