4744381 has 4 divisors (see below), whose sum is σ = 4755772. Its totient is φ = 4732992.

The previous prime is 4744379. The next prime is 4744387. The reversal of 4744381 is 1834474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1834474 = 2 ⋅917237.

It can be written as a sum of positive squares in 2 ways, for example, as 1625625 + 3118756 = 1275^2 + 1766^2 .

It is a cyclic number.

It is not a de Polignac number, because 4744381 - 2¹ = 4744379 is a prime.

It is a super-2 number, since 2×4744381² = 45018302146322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4744387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5046 + ... + 5911.

It is an arithmetic number, because the mean of its divisors is an integer number (1188943).

Almost surely, 2^4744381 is an apocalyptic number.

It is an amenable number.

4744381 is a deficient number, since it is larger than the sum of its proper divisors (11391).

4744381 is a wasteful number, since it uses less digits than its factorization.

4744381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11390.

The product of its digits is 10752, while the sum is 31.

The square root of 4744381 is about 2178.1600033055. The cubic root of 4744381 is about 168.0324601866.

It can be divided in two parts, 47443 and 81, that added together give a square (47524 = 218²).

The spelling of 4744381 in words is "four million, seven hundred forty-four thousand, three hundred eighty-one".