326990033 has 4 divisors (see below), whose sum is σ = 327029568. Its totient is φ = 326950500.

The previous prime is 326989997. The next prime is 326990039. The reversal of 326990033 is 330099623.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 326990033 - 2⁶ = 326989969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 326989975 and 326990002.

It is not an unprimeable number, because it can be changed into a prime (326990039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2093 + ... + 25658.

It is an arithmetic number, because the mean of its divisors is an integer number (81757392).

Almost surely, 2^326990033 is an apocalyptic number.

It is an amenable number.

326990033 is a deficient number, since it is larger than the sum of its proper divisors (39535).

326990033 is a wasteful number, since it uses less digits than its factorization.

326990033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39534.

The product of its (nonzero) digits is 26244, while the sum is 35.

The square root of 326990033 is about 18082.8657297454. The cubic root of 326990033 is about 688.9348777031.

The spelling of 326990033 in words is "three hundred twenty-six million, nine hundred ninety thousand, thirty-three".