2955520 has 36 divisors (see below), whose sum is σ = 7082460. Its totient is φ = 1181696.

The previous prime is 2955497. The next prime is 2955521. The reversal of 2955520 is 255592.

It can be written as a sum of positive squares in 2 ways, for example, as 1806336 + 1149184 = 1344^2 + 1072^2 .

It is not an unprimeable number, because it can be changed into a prime (2955521) 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 3 ways as a sum of consecutive naturals, for example, 126 + ... + 2434.

It is an arithmetic number, because the mean of its divisors is an integer number (196735).

2^2955520 is an apocalyptic number.

2955520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2955520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3541230).

2955520 is an abundant number, since it is smaller than the sum of its proper divisors (4126940).

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

2955520 is an equidigital number, since it uses as much as digits as its factorization.

2955520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330 (or 2316 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 2955520 is about 1719.1625868428. The cubic root of 2955520 is about 143.5086131605.

The spelling of 2955520 in words is "two million, nine hundred fifty-five thousand, five hundred twenty".