2775306 has 32 divisors (see below), whose sum is σ = 5879808. Its totient is φ = 871920.

The previous prime is 2775299. The next prime is 2775313. The reversal of 2775306 is 6035772.

It is an interprime number because it is at equal distance from previous prime (2775299) and next prime (2775313).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7825 + ... + 8171.

It is an arithmetic number, because the mean of its divisors is an integer number (183744).

2^2775306 is an apocalyptic number.

2775306 is an abundant number, since it is smaller than the sum of its proper divisors (3104502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2775306 is a wasteful number, since it uses less digits than its factorization.

2775306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 2775306 is about 1665.9249682984. The cubic root of 2775306 is about 140.5304029477.

It can be divided in two parts, 2775 and 306, that added together give a triangular number (3081 = T₇₈).

The spelling of 2775306 in words is "two million, seven hundred seventy-five thousand, three hundred six".