3906442973 has 8 divisors (see below), whose sum is σ = 4056954528. Its totient is φ = 3758643504.

The previous prime is 3906442961. The next prime is 3906442979. The reversal of 3906442973 is 3792446093.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3906442973 - 2¹⁰ = 3906441949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906442979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675086 + ... + 680847.

It is an arithmetic number, because the mean of its divisors is an integer number (507119316).

Almost surely, 2^3906442973 is an apocalyptic number.

It is an amenable number.

3906442973 is a deficient number, since it is larger than the sum of its proper divisors (150511555).

3906442973 is a wasteful number, since it uses less digits than its factorization.

3906442973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356043.

The product of its (nonzero) digits is 979776, while the sum is 47.

The square root of 3906442973 is about 62501.5437649343. The cubic root of 3906442973 is about 1574.9272458877.

The spelling of 3906442973 in words is "three billion, nine hundred six million, four hundred forty-two thousand, nine hundred seventy-three".