4945540 has 24 divisors (see below), whose sum is σ = 10487232. Its totient is φ = 1958880.

The previous prime is 4945537. The next prime is 4945541. The reversal of 4945540 is 455494.

It is not an unprimeable number, because it can be changed into a prime (4945541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985 + ... + 3295.

It is an arithmetic number, because the mean of its divisors is an integer number (436968).

Almost surely, 2^4945540 is an apocalyptic number.

It is an amenable number.

4945540 is an abundant number, since it is smaller than the sum of its proper divisors (5541692).

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

4945540 is a wasteful number, since it uses less digits than its factorization.

4945540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427 (or 2425 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 4945540 is about 2223.8570097918. The cubic root of 4945540 is about 170.3744916154.

The spelling of 4945540 in words is "four million, nine hundred forty-five thousand, five hundred forty".