3905428957 has 8 divisors (see below), whose sum is σ = 4078422720. Its totient is φ = 3732701280.

The previous prime is 3905428931. The next prime is 3905428979. The reversal of 3905428957 is 7598245093.

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

It is not a de Polignac number, because 3905428957 - 2⁷ = 3905428829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3905428357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36219 + ... + 95512.

It is an arithmetic number, because the mean of its divisors is an integer number (509802840).

Almost surely, 2^3905428957 is an apocalyptic number.

It is an amenable number.

3905428957 is a deficient number, since it is larger than the sum of its proper divisors (172993763).

3905428957 is a wasteful number, since it uses less digits than its factorization.

3905428957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133043.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The square root of 3905428957 is about 62493.4313108186. The cubic root of 3905428957 is about 1574.7909633720.

The spelling of 3905428957 in words is "three billion, nine hundred five million, four hundred twenty-eight thousand, nine hundred fifty-seven".