328256157 has 8 divisors (see below), whose sum is σ = 439587040. Its totient is φ = 217881360.

The previous prime is 328256147. The next prime is 328256183. The reversal of 328256157 is 751652823.

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

It is not a de Polignac number, because 328256157 - 2⁷ = 328256029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328256147) 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, 238219 + ... + 239592.

It is an arithmetic number, because the mean of its divisors is an integer number (54948380).

Almost surely, 2^328256157 is an apocalyptic number.

It is an amenable number.

328256157 is a deficient number, since it is larger than the sum of its proper divisors (111330883).

328256157 is a wasteful number, since it uses less digits than its factorization.

328256157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478043.

The product of its digits is 100800, while the sum is 39.

The square root of 328256157 is about 18117.8408481806. The cubic root of 328256157 is about 689.8229308295.

The spelling of 328256157 in words is "three hundred twenty-eight million, two hundred fifty-six thousand, one hundred fifty-seven".