4786381 has 4 divisors (see below), whose sum is σ = 4903164. Its totient is φ = 4669600.

The previous prime is 4786343. The next prime is 4786393. The reversal of 4786381 is 1836874.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 826281 + 3960100 = 909^2 + 1990^2 .

It is a cyclic number.

It is not a de Polignac number, because 4786381 - 2⁷ = 4786253 is a prime.

It is a super-2 number, since 2×4786381² = 45818886154322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4786381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4786321) 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, 58330 + ... + 58411.

It is an arithmetic number, because the mean of its divisors is an integer number (1225791).

Almost surely, 2^4786381 is an apocalyptic number.

4786381 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4786381 is a deficient number, since it is larger than the sum of its proper divisors (116783).

4786381 is a wasteful number, since it uses less digits than its factorization.

4786381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116782.

The product of its digits is 32256, while the sum is 37.

The square root of 4786381 is about 2187.7799249467. The cubic root of 4786381 is about 168.5268443056.

It can be divided in two parts, 478 and 6381, that added together give a cube (6859 = 19³).

The spelling of 4786381 in words is "four million, seven hundred eighty-six thousand, three hundred eighty-one".