328474421 has 8 divisors (see below), whose sum is σ = 359605344. Its totient is φ = 297555120.

The previous prime is 328474403. The next prime is 328474423. The reversal of 328474421 is 124474823.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328474421 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 (328474423) 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, 49646 + ... + 55871.

It is an arithmetic number, because the mean of its divisors is an integer number (44950668).

Almost surely, 2^328474421 is an apocalyptic number.

It is an amenable number.

328474421 is a deficient number, since it is larger than the sum of its proper divisors (31130923).

328474421 is a wasteful number, since it uses less digits than its factorization.

328474421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105811.

The product of its digits is 43008, while the sum is 35.

The square root of 328474421 is about 18123.8633022874. The cubic root of 328474421 is about 689.9757892506.

The spelling of 328474421 in words is "three hundred twenty-eight million, four hundred seventy-four thousand, four hundred twenty-one".