4921383 has 4 divisors (see below), whose sum is σ = 6561848. Its totient is φ = 3280920.

The previous prime is 4921373. The next prime is 4921391. The reversal of 4921383 is 3831294.

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

It is not a de Polignac number, because 4921383 - 2⁸ = 4921127 is a prime.

It is a D-number.

It is a Duffinian number.

4921383 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4921383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4921373) 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, 820228 + ... + 820233.

It is an arithmetic number, because the mean of its divisors is an integer number (1640462).

Almost surely, 2^4921383 is an apocalyptic number.

4921383 is a deficient number, since it is larger than the sum of its proper divisors (1640465).

4921383 is a wasteful number, since it uses less digits than its factorization.

4921383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640464.

The product of its digits is 5184, while the sum is 30.

The square root of 4921383 is about 2218.4190316529. The cubic root of 4921383 is about 170.0966347932.

The spelling of 4921383 in words is "four million, nine hundred twenty-one thousand, three hundred eighty-three".