2775340 has 24 divisors (see below), whose sum is σ = 5866560. Its totient is φ = 1102848.

The previous prime is 2775323. The next prime is 2775347. The reversal of 2775340 is 435772.

It is a junction number, because it is equal to n+sod(n) for n = 2775299 and 2775308.

It is not an unprimeable number, because it can be changed into a prime (2775347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3501 + ... + 4219.

It is an arithmetic number, because the mean of its divisors is an integer number (244440).

2^2775340 is an apocalyptic number.

2775340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2775340 is an abundant number, since it is smaller than the sum of its proper divisors (3091220).

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

2775340 is a wasteful number, since it uses less digits than its factorization.

2775340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 2775340 is about 1665.9351728084. The cubic root of 2775340 is about 140.5309768200.

The spelling of 2775340 in words is "two million, seven hundred seventy-five thousand, three hundred forty".