326378193 has 8 divisors (see below), whose sum is σ = 435254400. Its totient is φ = 217543728.

The previous prime is 326378183. The next prime is 326378197. The reversal of 326378193 is 391873623.

It is a happy number.

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

It is not a de Polignac number, because 326378193 - 2¹³ = 326370001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (326378197) 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 7 ways as a sum of consecutive naturals, for example, 25123 + ... + 35831.

It is an arithmetic number, because the mean of its divisors is an integer number (54406800).

Almost surely, 2^326378193 is an apocalyptic number.

It is an amenable number.

326378193 is a deficient number, since it is larger than the sum of its proper divisors (108876207).

326378193 is a wasteful number, since it uses less digits than its factorization.

326378193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20871.

The product of its digits is 163296, while the sum is 42.

The square root of 326378193 is about 18065.9401360682. The cubic root of 326378193 is about 688.5049144512.

The spelling of 326378193 in words is "three hundred twenty-six million, three hundred seventy-eight thousand, one hundred ninety-three".