3906333861 has 16 divisors (see below), whose sum is σ = 5484008640. Its totient is φ = 2466512640.

The previous prime is 3906333859. The next prime is 3906333883. The reversal of 3906333861 is 1683336093.

It is not a de Polignac number, because 3906333861 - 2¹ = 3906333859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906333841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308491 + ... + 320903.

It is an arithmetic number, because the mean of its divisors is an integer number (342750540).

Almost surely, 2^3906333861 is an apocalyptic number.

It is an amenable number.

3906333861 is a deficient number, since it is larger than the sum of its proper divisors (1577674779).

3906333861 is a wasteful number, since it uses less digits than its factorization.

3906333861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17956.

The product of its (nonzero) digits is 209952, while the sum is 42.

The square root of 3906333861 is about 62500.6708843993. The cubic root of 3906333861 is about 1574.9125825001.

The spelling of 3906333861 in words is "three billion, nine hundred six million, three hundred thirty-three thousand, eight hundred sixty-one".