3239689905 has 128 divisors (see below), whose sum is σ = 6350400000. Its totient is φ = 1560674304.

The previous prime is 3239689891. The next prime is 3239689967. The reversal of 3239689905 is 5099869323.

3239689905 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3239689905 - 2⁴ = 3239689889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7215121 + ... + 7215569.

It is an arithmetic number, because the mean of its divisors is an integer number (49612500).

Almost surely, 2^3239689905 is an apocalyptic number.

It is an amenable number.

3239689905 is a deficient number, since it is larger than the sum of its proper divisors (3110710095).

3239689905 is a wasteful number, since it uses less digits than its factorization.

3239689905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The square root of 3239689905 is about 56918.2739109330. The cubic root of 3239689905 is about 1479.6800356827.

The spelling of 3239689905 in words is "three billion, two hundred thirty-nine million, six hundred eighty-nine thousand, nine hundred five".