328332501 has 32 divisors (see below), whose sum is σ = 573849600. Its totient is φ = 181563120.

The previous prime is 328332497. The next prime is 328332533. The reversal of 328332501 is 105233823.

328332501 is a `hidden beast` number, since 328 + 332 + 5 + 0 + 1 = 666.

It is not a de Polignac number, because 328332501 - 2² = 328332497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328332541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22161 + ... + 33878.

It is an arithmetic number, because the mean of its divisors is an integer number (17932800).

Almost surely, 2^328332501 is an apocalyptic number.

328332501 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

328332501 is a deficient number, since it is larger than the sum of its proper divisors (245517099).

328332501 is a wasteful number, since it uses less digits than its factorization.

328332501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56086 (or 56080 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 328332501 is about 18119.9475992620. The cubic root of 328332501 is about 689.8764050838.

The spelling of 328332501 in words is "three hundred twenty-eight million, three hundred thirty-two thousand, five hundred one".