2749380 has 24 divisors (see below), whose sum is σ = 7698432. Its totient is φ = 733152.

The previous prime is 2749363. The next prime is 2749387. The reversal of 2749380 is 839472.

It is not an unprimeable number, because it can be changed into a prime (2749387) 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, 22852 + ... + 22971.

It is an arithmetic number, because the mean of its divisors is an integer number (320768).

2^2749380 is an apocalyptic number.

2749380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2749380 is an abundant number, since it is smaller than the sum of its proper divisors (4949052).

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

2749380 is a wasteful number, since it uses less digits than its factorization.

2749380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45835 (or 45833 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2749380 is about 1658.1254476064. The cubic root of 2749380 is about 140.0914368663.

The spelling of 2749380 in words is "two million, seven hundred forty-nine thousand, three hundred eighty".