2775397 has 4 divisors (see below), whose sum is σ = 2834496. Its totient is φ = 2716300.

The previous prime is 2775391. The next prime is 2775431. The reversal of 2775397 is 7935772.

2775397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2775397 - 2³ = 2775389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775391) 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 3 ways as a sum of consecutive naturals, for example, 29479 + ... + 29572.

It is an arithmetic number, because the mean of its divisors is an integer number (708624).

2^2775397 is an apocalyptic number.

It is an amenable number.

2775397 is a deficient number, since it is larger than the sum of its proper divisors (59099).

2775397 is an equidigital number, since it uses as much as digits as its factorization.

2775397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59098.

The product of its digits is 92610, while the sum is 40.

The square root of 2775397 is about 1665.9522802289. The cubic root of 2775397 is about 140.5319388896.

The spelling of 2775397 in words is "two million, seven hundred seventy-five thousand, three hundred ninety-seven".