328257601 has 16 divisors (see below), whose sum is σ = 380283904. Its totient is φ = 277537104.

The previous prime is 328257581. The next prime is 328257689. The reversal of 328257601 is 106752823.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 328257601 - 2⁹ = 328257089 is a prime.

It is a super-2 number, since 2×328257601² = 215506105228550402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (328257691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220606 + ... + 222088.

It is an arithmetic number, because the mean of its divisors is an integer number (23767744).

Almost surely, 2^328257601 is an apocalyptic number.

It is an amenable number.

328257601 is a deficient number, since it is larger than the sum of its proper divisors (52026303).

328257601 is a wasteful number, since it uses less digits than its factorization.

328257601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 328257601 is about 18117.8806983598. The cubic root of 328257601 is about 689.8239423392.

The spelling of 328257601 in words is "three hundred twenty-eight million, two hundred fifty-seven thousand, six hundred one".