3985433 has 2 divisors, whose sum is σ = 3985434. Its totient is φ = 3985432.

The previous prime is 3985409. The next prime is 3985451. The reversal of 3985433 is 3345893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3579664 + 405769 = 1892^2 + 637^2 .

It is an emirp because it is prime and its reverse (3345893) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3985433 - 2¹⁶ = 3919897 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3985393 and 3985402.

It is not a weakly prime, because it can be changed into another prime (3985403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992716 + 1992717.

It is an arithmetic number, because the mean of its divisors is an integer number (1992717).

Almost surely, 2^3985433 is an apocalyptic number.

It is an amenable number.

3985433 is a deficient number, since it is larger than the sum of its proper divisors (1).

3985433 is an equidigital number, since it uses as much as digits as its factorization.

3985433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The square root of 3985433 is about 1996.3549283632. The cubic root of 3985433 is about 158.5471735446.

The spelling of 3985433 in words is "three million, nine hundred eighty-five thousand, four hundred thirty-three".