4981919 has 4 divisors (see below), whose sum is σ = 5056344. Its totient is φ = 4907496.

The previous prime is 4981913. The next prime is 4981927. The reversal of 4981919 is 9191894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9191894 = 2 ⋅4595947.

It is a cyclic number.

It is not a de Polignac number, because 4981919 - 2⁴ = 4981903 is a prime.

It is a super-2 number, since 2×4981919² = 49639033845122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4981913) 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, 37112 + ... + 37245.

It is an arithmetic number, because the mean of its divisors is an integer number (1264086).

Almost surely, 2^4981919 is an apocalyptic number.

4981919 is a deficient number, since it is larger than the sum of its proper divisors (74425).

4981919 is an equidigital number, since it uses as much as digits as its factorization.

4981919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74424.

The product of its digits is 23328, while the sum is 41.

The square root of 4981919 is about 2232.0212812606. The cubic root of 4981919 is about 170.7912252090.

The spelling of 4981919 in words is "four million, nine hundred eighty-one thousand, nine hundred nineteen".