3881743 has 2 divisors, whose sum is σ = 3881744. Its totient is φ = 3881742.

The previous prime is 3881741. The next prime is 3881803. The reversal of 3881743 is 3471883.

It is a weak prime.

It is an emirp because it is prime and its reverse (3471883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3881743 - 2¹ = 3881741 is a prime.

Together with 3881741, it forms a pair of twin primes.

It is equal to p₂₇₅₃₈₉ and since 3881743 and 275389 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 3881699 and 3881708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3881741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1940871 + 1940872.

It is an arithmetic number, because the mean of its divisors is an integer number (1940872).

Almost surely, 2^3881743 is an apocalyptic number.

3881743 is a deficient number, since it is larger than the sum of its proper divisors (1).

3881743 is an equidigital number, since it uses as much as digits as its factorization.

3881743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 3881743 is about 1970.2139477732. The cubic root of 3881743 is about 157.1600866193.

It can be divided in two parts, 3881 and 743, that added together give a square (4624 = 68²).

The spelling of 3881743 in words is "three million, eight hundred eighty-one thousand, seven hundred forty-three".