3885739 has 16 divisors (see below), whose sum is σ = 4727520. Its totient is φ = 3144960.

The previous prime is 3885737. The next prime is 3885743. The reversal of 3885739 is 9375883.

It is a happy number.

It is not a de Polignac number, because 3885739 - 2¹ = 3885737 is a prime.

It is a super-2 number, since 2×3885739² = 30197935152242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3885695 and 3885704.

It is not an unprimeable number, because it can be changed into a prime (3885733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3679 + ... + 4615.

It is an arithmetic number, because the mean of its divisors is an integer number (295470).

Almost surely, 2^3885739 is an apocalyptic number.

3885739 is a deficient number, since it is larger than the sum of its proper divisors (841781).

3885739 is a wasteful number, since it uses less digits than its factorization.

3885739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990.

The product of its digits is 181440, while the sum is 43.

The square root of 3885739 is about 1971.2277899827. The cubic root of 3885739 is about 157.2139967941.

It can be divided in two parts, 3885 and 739, that added together give a square (4624 = 68²).

The spelling of 3885739 in words is "three million, eight hundred eighty-five thousand, seven hundred thirty-nine".