3992532105 has 16 divisors (see below), whose sum is σ = 6388986240. Its totient is φ = 2129038848.

The previous prime is 3992532091. The next prime is 3992532107. The reversal of 3992532105 is 5012352993.

It is a happy number.

It is not a de Polignac number, because 3992532105 - 2⁸ = 3992531849 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3992532107) 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, 117529 + ... + 147641.

It is an arithmetic number, because the mean of its divisors is an integer number (399311640).

Almost surely, 2^3992532105 is an apocalyptic number.

It is an amenable number.

3992532105 is a deficient number, since it is larger than the sum of its proper divisors (2396454135).

3992532105 is a wasteful number, since it uses less digits than its factorization.

3992532105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38960.

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 3992532105 is about 63186.4867277806. The cubic root of 3992532105 is about 1586.4125578503.

The spelling of 3992532105 in words is "three billion, nine hundred ninety-two million, five hundred thirty-two thousand, one hundred five".