3285656638 has 8 divisors (see below), whose sum is σ = 5376529080. Its totient is φ = 1493480280.

The previous prime is 3285656611. The next prime is 3285656639. The reversal of 3285656638 is 8366565823.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3285656639) 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 3 ways as a sum of consecutive naturals, for example, 74673993 + ... + 74674036.

It is an arithmetic number, because the mean of its divisors is an integer number (672066135).

Almost surely, 2^3285656638 is an apocalyptic number.

3285656638 is a deficient number, since it is larger than the sum of its proper divisors (2090872442).

3285656638 is a wasteful number, since it uses less digits than its factorization.

3285656638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149348042.

The product of its digits is 6220800, while the sum is 52.

The square root of 3285656638 is about 57320.6475713595. The cubic root of 3285656638 is about 1486.6454023672.

The spelling of 3285656638 in words is "three billion, two hundred eighty-five million, six hundred fifty-six thousand, six hundred thirty-eight".