328738 has 16 divisors (see below), whose sum is σ = 534240. Its totient is φ = 151200.

The previous prime is 328721. The next prime is 328753. The reversal of 328738 is 837823.

328738 is a modest number, since divided by 738 gives 328 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1453 + ... + 1663.

It is an arithmetic number, because the mean of its divisors is an integer number (33390).

2³²⁸⁷³⁸ is an apocalyptic number.

328738 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

328738 is a deficient number, since it is larger than the sum of its proper divisors (205502).

328738 is a wasteful number, since it uses less digits than its factorization.

328738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273.

The product of its digits is 8064, while the sum is 31.

The square root of 328738 is about 573.3567824662. The cubic root of 328738 is about 69.0160293222.

It can be divided in two parts, 328 and 738, that multiplied together give a square (242064 = 492²).

The spelling of 328738 in words is "three hundred twenty-eight thousand, seven hundred thirty-eight".