328796638 has 16 divisors (see below), whose sum is σ = 518576256. Its totient is φ = 156047320.

The previous prime is 328796627. The next prime is 328796639. The reversal of 328796638 is 836697823.

It is a super-3 number, since 3×328796638³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328796639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21256 + ... + 33307.

It is an arithmetic number, because the mean of its divisors is an integer number (32411016).

Almost surely, 2^328796638 is an apocalyptic number.

328796638 is a deficient number, since it is larger than the sum of its proper divisors (189779618).

328796638 is a wasteful number, since it uses less digits than its factorization.

328796638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54719.

The product of its digits is 2612736, while the sum is 52.

The square root of 328796638 is about 18132.7504256800. The cubic root of 328796638 is about 690.2013261151.

The spelling of 328796638 in words is "three hundred twenty-eight million, seven hundred ninety-six thousand, six hundred thirty-eight".