4547940 has 48 divisors (see below), whose sum is σ = 12828480. Its totient is φ = 1203840.

The previous prime is 4547923. The next prime is 4547947. The reversal of 4547940 is 497454.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4547947) 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, 13575 + ... + 13905.

It is an arithmetic number, because the mean of its divisors is an integer number (267260).

Almost surely, 2^4547940 is an apocalyptic number.

It is an amenable number.

4547940 is an abundant number, since it is smaller than the sum of its proper divisors (8280540).

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

4547940 is a wasteful number, since it uses less digits than its factorization.

4547940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 4547940 is about 2132.5899746552. The cubic root of 4547940 is about 165.6805682774.

The spelling of 4547940 in words is "four million, five hundred forty-seven thousand, nine hundred forty".