326390669 has 8 divisors (see below), whose sum is σ = 359214912. Its totient is φ = 294091840.

The previous prime is 326390663. The next prime is 326390693. The reversal of 326390669 is 966093623.

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

It is a cyclic number.

It is not a de Polignac number, because 326390669 - 2¹² = 326386573 is a prime.

It is a super-2 number, since 2×326390669² = 213061737620535122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326390663) 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, 130049 + ... + 132534.

It is an arithmetic number, because the mean of its divisors is an integer number (44901864).

Almost surely, 2^326390669 is an apocalyptic number.

It is an amenable number.

326390669 is a deficient number, since it is larger than the sum of its proper divisors (32824243).

326390669 is a wasteful number, since it uses less digits than its factorization.

326390669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262707.

The product of its (nonzero) digits is 314928, while the sum is 44.

The square root of 326390669 is about 18066.2854234068. The cubic root of 326390669 is about 688.5136871757.

The spelling of 326390669 in words is "three hundred twenty-six million, three hundred ninety thousand, six hundred sixty-nine".