328204137 has 8 divisors (see below), whose sum is σ = 438860800. Its totient is φ = 218175120.

The previous prime is 328204127. The next prime is 328204153. The reversal of 328204137 is 731402823.

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

It is not a de Polignac number, because 328204137 - 2⁶ = 328204073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328204117) 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, 155689 + ... + 157782.

It is an arithmetic number, because the mean of its divisors is an integer number (54857600).

Almost surely, 2^328204137 is an apocalyptic number.

It is an amenable number.

328204137 is a deficient number, since it is larger than the sum of its proper divisors (110656663).

328204137 is a wasteful number, since it uses less digits than its factorization.

328204137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313823.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 328204137 is about 18116.4051897721. The cubic root of 328204137 is about 689.7864892845.

The spelling of 328204137 in words is "three hundred twenty-eight million, two hundred four thousand, one hundred thirty-seven".