4928819 has 4 divisors (see below), whose sum is σ = 5632944. Its totient is φ = 4224696.

The previous prime is 4928797. The next prime is 4928837. The reversal of 4928819 is 9188294.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9188294 = 2 ⋅4594147.

It is not a de Polignac number, because 4928819 - 2⁸ = 4928563 is a prime.

It is a super-2 number, since 2×4928819² = 48586513469522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4928879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352052 + ... + 352065.

It is an arithmetic number, because the mean of its divisors is an integer number (1408236).

Almost surely, 2^4928819 is an apocalyptic number.

4928819 is a deficient number, since it is larger than the sum of its proper divisors (704125).

4928819 is an equidigital number, since it uses as much as digits as its factorization.

4928819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704124.

The product of its digits is 41472, while the sum is 41.

The square root of 4928819 is about 2220.0943673637. The cubic root of 4928819 is about 170.1822612707.

The spelling of 4928819 in words is "four million, nine hundred twenty-eight thousand, eight hundred nineteen".