326887764 has 48 divisors (see below), whose sum is σ = 922981248. Its totient is φ = 87902208.

The previous prime is 326887733. The next prime is 326887783. The reversal of 326887764 is 467788623.

326887764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×326887764² = 213711220505839392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 113029 + ... + 115884.

It is an arithmetic number, because the mean of its divisors is an integer number (19228776).

Almost surely, 2^326887764 is an apocalyptic number.

326887764 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

326887764 is an abundant number, since it is smaller than the sum of its proper divisors (596093484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

326887764 is a wasteful number, since it uses less digits than its factorization.

326887764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228944 (or 228942 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The square root of 326887764 is about 18080.0377211996. The cubic root of 326887764 is about 688.8630467394.

The spelling of 326887764 in words is "three hundred twenty-six million, eight hundred eighty-seven thousand, seven hundred sixty-four".