3279978 has 48 divisors (see below), whose sum is σ = 7783776. Its totient is φ = 992160.

The previous prime is 3279977. The next prime is 3280003. The reversal of 3279978 is 8799723.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3279973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24973 + ... + 25103.

It is an arithmetic number, because the mean of its divisors is an integer number (162162).

Almost surely, 2^3279978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3279978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3891888).

3279978 is an abundant number, since it is smaller than the sum of its proper divisors (4503798).

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

3279978 is a wasteful number, since it uses less digits than its factorization.

3279978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 256 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 3279978 is about 1811.0709538834. The cubic root of 3279978 is about 148.5788446390.

The spelling of 3279978 in words is "three million, two hundred seventy-nine thousand, nine hundred seventy-eight".