4916819 has 4 divisors (see below), whose sum is σ = 5049744. Its totient is φ = 4783896.

The previous prime is 4916809. The next prime is 4916827. The reversal of 4916819 is 9186194.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9186194 = 2 ⋅4593097.

It is a cyclic number.

It is not a de Polignac number, because 4916819 - 2⁴ = 4916803 is a prime.

It is a super-2 number, since 2×4916819² = 48350218157522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4916809) 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, 66407 + ... + 66480.

It is an arithmetic number, because the mean of its divisors is an integer number (1262436).

Almost surely, 2^4916819 is an apocalyptic number.

4916819 is a deficient number, since it is larger than the sum of its proper divisors (132925).

4916819 is a wasteful number, since it uses less digits than its factorization.

4916819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132924.

The product of its digits is 15552, while the sum is 38.

The square root of 4916819 is about 2217.3901325658. The cubic root of 4916819 is about 170.0440370345.

It can be divided in two parts, 4916 and 819, that multiplied together give a palindrome (4026204).

The spelling of 4916819 in words is "four million, nine hundred sixteen thousand, eight hundred nineteen".