4138747 has 2 divisors, whose sum is σ = 4138748. Its totient is φ = 4138746.

The previous prime is 4138741. The next prime is 4138753. The reversal of 4138747 is 7478314.

It is a balanced prime because it is at equal distance from previous prime (4138741) and next prime (4138753).

It is a cyclic number.

It is not a de Polignac number, because 4138747 - 2¹⁵ = 4105979 is a prime.

It is not a weakly prime, because it can be changed into another prime (4138741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2069373 + 2069374.

It is an arithmetic number, because the mean of its divisors is an integer number (2069374).

Almost surely, 2^4138747 is an apocalyptic number.

4138747 is a deficient number, since it is larger than the sum of its proper divisors (1).

4138747 is an equidigital number, since it uses as much as digits as its factorization.

4138747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 34.

The square root of 4138747 is about 2034.3910636847. The cubic root of 4138747 is about 160.5546764283.

The spelling of 4138747 in words is "four million, one hundred thirty-eight thousand, seven hundred forty-seven".