5091820 has 24 divisors (see below), whose sum is σ = 11062800. Its totient is φ = 1966272.

The previous prime is 5091817. The next prime is 5091833. The reversal of 5091820 is 281905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3810 + ... + 4969.

It is an arithmetic number, because the mean of its divisors is an integer number (460950).

Almost surely, 2^5091820 is an apocalyptic number.

It is an amenable number.

5091820 is an abundant number, since it is smaller than the sum of its proper divisors (5970980).

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

5091820 is a wasteful number, since it uses less digits than its factorization.

5091820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8817 (or 8815 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 5091820 is about 2256.5061488948. The cubic root of 5091820 is about 172.0379851206.

The spelling of 5091820 in words is "five million, ninety-one thousand, eight hundred twenty".