5021778 has 16 divisors (see below), whose sum is σ = 10076256. Its totient is φ = 1668480.

The previous prime is 5021777. The next prime is 5021789. The reversal of 5021778 is 8771205.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5021771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933 + ... + 3303.

It is an arithmetic number, because the mean of its divisors is an integer number (629766).

Almost surely, 2^5021778 is an apocalyptic number.

5021778 is an abundant number, since it is smaller than the sum of its proper divisors (5054478).

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

5021778 is a wasteful number, since it uses less digits than its factorization.

5021778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 5021778 is about 2240.9323952319. The cubic root of 5021778 is about 171.2455007964.

The spelling of 5021778 in words is "five million, twenty-one thousand, seven hundred seventy-eight".