4955819 has 4 divisors (see below), whose sum is σ = 5406360. Its totient is φ = 4505280.

The previous prime is 4955809. The next prime is 4955831. The reversal of 4955819 is 9185594.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4955819 - 2⁴ = 4955803 is a prime.

It is a super-2 number, since 2×4955819² = 49120283921522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4955809) 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, 225254 + ... + 225275.

It is an arithmetic number, because the mean of its divisors is an integer number (1351590).

Almost surely, 2^4955819 is an apocalyptic number.

4955819 is a deficient number, since it is larger than the sum of its proper divisors (450541).

4955819 is a wasteful number, since it uses less digits than its factorization.

4955819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450540.

The product of its digits is 64800, while the sum is 41.

The square root of 4955819 is about 2226.1668850291. The cubic root of 4955819 is about 170.4924475575.

The spelling of 4955819 in words is "four million, nine hundred fifty-five thousand, eight hundred nineteen".