3906533 has 4 divisors (see below), whose sum is σ = 4112160. Its totient is φ = 3700908.

The previous prime is 3906493. The next prime is 3906541. The reversal of 3906533 is 3356093.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3356093 = 13 ⋅258161.

It is a cyclic number.

It is not a de Polignac number, because 3906533 - 2¹⁴ = 3890149 is a prime.

It is a super-2 number, since 2×3906533² = 30522000160178, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3906496 and 3906505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102785 + ... + 102822.

It is an arithmetic number, because the mean of its divisors is an integer number (1028040).

Almost surely, 2^3906533 is an apocalyptic number.

It is an amenable number.

3906533 is a deficient number, since it is larger than the sum of its proper divisors (205627).

3906533 is a wasteful number, since it uses less digits than its factorization.

3906533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205626.

The product of its (nonzero) digits is 7290, while the sum is 29.

The square root of 3906533 is about 1976.4951302748. The cubic root of 3906533 is about 157.4939344267.

The spelling of 3906533 in words is "three million, nine hundred six thousand, five hundred thirty-three".