328840454 has 8 divisors (see below), whose sum is σ = 510269760. Its totient is φ = 158750536.

The previous prime is 328840433. The next prime is 328840481. The reversal of 328840454 is 454048823.

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

It is a super-2 number, since 2×328840454² = 216272088373852232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2834774 + ... + 2834889.

It is an arithmetic number, because the mean of its divisors is an integer number (63783720).

Almost surely, 2^328840454 is an apocalyptic number.

328840454 is a deficient number, since it is larger than the sum of its proper divisors (181429306).

328840454 is a wasteful number, since it uses less digits than its factorization.

328840454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5669694.

The product of its (nonzero) digits is 122880, while the sum is 38.

The square root of 328840454 is about 18133.9585860341. The cubic root of 328840454 is about 690.2319838881.

The spelling of 328840454 in words is "three hundred twenty-eight million, eight hundred forty thousand, four hundred fifty-four".