2755392 has 56 divisors (see below), whose sum is σ = 7412736. Its totient is φ = 903168.

The previous prime is 2755387. The next prime is 2755393. The reversal of 2755392 is 2935572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2755393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21633 + ... + 21759.

2^2755392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2755392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3706368).

2755392 is an abundant number, since it is smaller than the sum of its proper divisors (4657344).

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

2755392 is a wasteful number, since it uses less digits than its factorization.

2755392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 245 counting only the distinct ones).

The product of its digits is 18900, while the sum is 33.

The square root of 2755392 is about 1659.9373482153. The cubic root of 2755392 is about 140.1934740007.

The spelling of 2755392 in words is "two million, seven hundred fifty-five thousand, three hundred ninety-two".