3279920 has 40 divisors (see below), whose sum is σ = 8716704. Its totient is φ = 1124352.

The previous prime is 3279841. The next prime is 3279949. The reversal of 3279920 is 299723.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2369 + ... + 3488.

Almost surely, 2^3279920 is an apocalyptic number.

It is an amenable number.

3279920 is an abundant number, since it is smaller than the sum of its proper divisors (5436784).

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

3279920 is a wasteful number, since it uses less digits than its factorization.

3279920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877 (or 5871 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 3279920 is about 1811.0549411876. The cubic root of 3279920 is about 148.5779688583.

The spelling of 3279920 in words is "three million, two hundred seventy-nine thousand, nine hundred twenty".