328433249 has 4 divisors (see below), whose sum is σ = 329742000. Its totient is φ = 327124500.

The previous prime is 328433243. The next prime is 328433267. The reversal of 328433249 is 942334823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 328433249 - 2¹⁶ = 328367713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328433243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653999 + ... + 654500.

It is an arithmetic number, because the mean of its divisors is an integer number (82435500).

Almost surely, 2^328433249 is an apocalyptic number.

It is an amenable number.

328433249 is a deficient number, since it is larger than the sum of its proper divisors (1308751).

328433249 is a wasteful number, since it uses less digits than its factorization.

328433249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308750.

The product of its digits is 124416, while the sum is 38.

The square root of 328433249 is about 18122.7274161479. The cubic root of 328433249 is about 689.9469601462.

The spelling of 328433249 in words is "three hundred twenty-eight million, four hundred thirty-three thousand, two hundred forty-nine".