2945530 has 32 divisors (see below), whose sum is σ = 6272640. Its totient is φ = 974400.

The previous prime is 2945519. The next prime is 2945531. The reversal of 2945530 is 355492.

It is a super-2 number, since 2×2945530² = 17352293961800, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1305 + ... + 2755.

It is an arithmetic number, because the mean of its divisors is an integer number (196020).

2^2945530 is an apocalyptic number.

2945530 is an abundant number, since it is smaller than the sum of its proper divisors (3327110).

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

2945530 is a wasteful number, since it uses less digits than its factorization.

2945530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2945530 is about 1716.2546431110. The cubic root of 2945530 is about 143.3467387258.

The spelling of 2945530 in words is "two million, nine hundred forty-five thousand, five hundred thirty".