5428820 has 18 divisors (see below), whose sum is σ = 11422446. Its totient is φ = 2167360.

The previous prime is 5428811. The next prime is 5428823. The reversal of 5428820 is 288245.

It can be written as a sum of positive squares in 3 ways, for example, as 55696 + 5373124 = 236^2 + 2318^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5428823) 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 5 ways as a sum of consecutive naturals, for example, 10160 + ... + 10680.

Almost surely, 2^5428820 is an apocalyptic number.

It is an amenable number.

5428820 is an abundant number, since it is smaller than the sum of its proper divisors (5993626).

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

5428820 is an equidigital number, since it uses as much as digits as its factorization.

5428820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 5428820 is about 2329.9828325548. The cubic root of 5428820 is about 175.7526225018.

Multiplying 5428820 by its product of nonzero digits (5120), we get a square (27795558400 = 166720²).

The spelling of 5428820 in words is "five million, four hundred twenty-eight thousand, eight hundred twenty".