4945520 has 20 divisors (see below), whose sum is σ = 11498520. Its totient is φ = 1978176.

The previous prime is 4945519. The next prime is 4945537. The reversal of 4945520 is 255494.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30830 + ... + 30989.

It is an arithmetic number, because the mean of its divisors is an integer number (574926).

Almost surely, 2^4945520 is an apocalyptic number.

4945520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4945520 is an abundant number, since it is smaller than the sum of its proper divisors (6553000).

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

4945520 is a wasteful number, since it uses less digits than its factorization.

4945520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61832 (or 61826 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 4945520 is about 2223.8525130952. The cubic root of 4945520 is about 170.3742619476.

The spelling of 4945520 in words is "four million, nine hundred forty-five thousand, five hundred twenty".