2945538 has 16 divisors (see below), whose sum is σ = 6545760. Its totient is φ = 981828.

The previous prime is 2945531. The next prime is 2945609. The reversal of 2945538 is 8355492.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2945531) 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, 27220 + ... + 27327.

It is an arithmetic number, because the mean of its divisors is an integer number (409110).

2^2945538 is an apocalyptic number.

2945538 is an abundant number, since it is smaller than the sum of its proper divisors (3600222).

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

2945538 is a wasteful number, since it uses less digits than its factorization.

2945538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54558 (or 54552 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 2945538 is about 1716.2569737659. The cubic root of 2945538 is about 143.3468685013.

It can be divided in two parts, 294 and 5538, that added together give a cube (5832 = 18³).

The spelling of 2945538 in words is "two million, nine hundred forty-five thousand, five hundred thirty-eight".