328292493 has 4 divisors (see below), whose sum is σ = 437723328. Its totient is φ = 218861660.

The previous prime is 328292483. The next prime is 328292561. The reversal of 328292493 is 394292823.

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 328292493 - 2¹⁸ = 328030349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328292483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54715413 + ... + 54715418.

It is an arithmetic number, because the mean of its divisors is an integer number (109430832).

Almost surely, 2^328292493 is an apocalyptic number.

It is an amenable number.

328292493 is a deficient number, since it is larger than the sum of its proper divisors (109430835).

328292493 is a wasteful number, since it uses less digits than its factorization.

328292493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109430834.

The product of its digits is 186624, while the sum is 42.

The square root of 328292493 is about 18118.8435889270. The cubic root of 328292493 is about 689.8483829860.

The spelling of 328292493 in words is "three hundred twenty-eight million, two hundred ninety-two thousand, four hundred ninety-three".