3923690705 has 16 divisors (see below), whose sum is σ = 5138510400. Its totient is φ = 2852458560.

The previous prime is 3923690699. The next prime is 3923690713. The reversal of 3923690705 is 5070963293.

It is not a de Polignac number, because 3923690705 - 2¹² = 3923686609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140606 + ... + 166184.

It is an arithmetic number, because the mean of its divisors is an integer number (321156900).

Almost surely, 2^3923690705 is an apocalyptic number.

It is an amenable number.

3923690705 is a deficient number, since it is larger than the sum of its proper divisors (1214819695).

3923690705 is a wasteful number, since it uses less digits than its factorization.

3923690705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28384.

The product of its (nonzero) digits is 306180, while the sum is 44.

The square root of 3923690705 is about 62639.3702474730. The cubic root of 3923690705 is about 1577.2417165332.

The spelling of 3923690705 in words is "three billion, nine hundred twenty-three million, six hundred ninety thousand, seven hundred five".