2773138 has 4 divisors (see below), whose sum is σ = 4159710. Its totient is φ = 1386568.

The previous prime is 2773123. The next prime is 2773153. The reversal of 2773138 is 8313772.

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

It is an interprime number because it is at equal distance from previous prime (2773123) and next prime (2773153).

It can be written as a sum of positive squares in only one way, i.e., 2765569 + 7569 = 1663^2 + 87^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693283 + ... + 693286.

2^2773138 is an apocalyptic number.

2773138 is a deficient number, since it is larger than the sum of its proper divisors (1386572).

2773138 is a wasteful number, since it uses less digits than its factorization.

2773138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386571.

The product of its digits is 7056, while the sum is 31.

The square root of 2773138 is about 1665.2741516039. The cubic root of 2773138 is about 140.4938004635.

The spelling of 2773138 in words is "two million, seven hundred seventy-three thousand, one hundred thirty-eight".