5147820 has 48 divisors (see below), whose sum is σ = 16017120. Its totient is φ = 1372608.

The previous prime is 5147797. The next prime is 5147827. The reversal of 5147820 is 287415.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5147827) 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 15 ways as a sum of consecutive naturals, for example, 4227 + ... + 5306.

It is an arithmetic number, because the mean of its divisors is an integer number (333690).

Almost surely, 2^5147820 is an apocalyptic number.

It is an amenable number.

5147820 is an abundant number, since it is smaller than the sum of its proper divisors (10869300).

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

5147820 is a wasteful number, since it uses less digits than its factorization.

5147820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9551 (or 9543 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 5147820 is about 2268.8807813545. The cubic root of 5147820 is about 172.6663801138. Note that the first 3 decimals are identical.

The spelling of 5147820 in words is "five million, one hundred forty-seven thousand, eight hundred twenty".