2764138 has 16 divisors (see below), whose sum is σ = 4575816. Its totient is φ = 1244160.

The previous prime is 2764133. The next prime is 2764147. The reversal of 2764138 is 8314672.

2764138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1292769 + 1471369 = 1137^2 + 1213^2 .

It is not an unprimeable number, because it can be changed into a prime (2764133) by changing a digit.

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, 231 + ... + 2362.

2^2764138 is an apocalyptic number.

2764138 is a deficient number, since it is larger than the sum of its proper divisors (1811678).

2764138 is a wasteful number, since it uses less digits than its factorization.

2764138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649.

The product of its digits is 8064, while the sum is 31.

The square root of 2764138 is about 1662.5696977871. The cubic root of 2764138 is about 140.3416485739.

The spelling of 2764138 in words is "two million, seven hundred sixty-four thousand, one hundred thirty-eight".