3906433 has 2 divisors, whose sum is σ = 3906434. Its totient is φ = 3906432.

The previous prime is 3906431. The next prime is 3906437. The reversal of 3906433 is 3346093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1993744 + 1912689 = 1412^2 + 1383^2 .

It is a cyclic number.

It is not a de Polignac number, because 3906433 - 2¹ = 3906431 is a prime.

Together with 3906431, it forms a pair of twin primes.

3906433 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3906431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1953216 + 1953217.

It is an arithmetic number, because the mean of its divisors is an integer number (1953217).

Almost surely, 2^3906433 is an apocalyptic number.

It is an amenable number.

3906433 is a deficient number, since it is larger than the sum of its proper divisors (1).

3906433 is an equidigital number, since it uses as much as digits as its factorization.

3906433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 3906433 is about 1976.4698328080. The cubic root of 3906433 is about 157.4925905643.

The spelling of 3906433 in words is "three million, nine hundred six thousand, four hundred thirty-three".