3279999 has 8 divisors (see below), whose sum is σ = 4388400. Its totient is φ = 2179136.

The previous prime is 3279977. The next prime is 3280003. The reversal of 3279999 is 9999723.

It is a happy number.

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 3279999 - 2⁸ = 3279743 is a prime.

3279999 is a modest number, since divided by 9999 gives 327 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3279949) 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, 774 + ... + 2675.

It is an arithmetic number, because the mean of its divisors is an integer number (548550).

Almost surely, 2^3279999 is an apocalyptic number.

3279999 is a deficient number, since it is larger than the sum of its proper divisors (1108401).

3279999 is a wasteful number, since it uses less digits than its factorization.

3279999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769.

The product of its digits is 275562, while the sum is 48.

The square root of 3279999 is about 1811.0767515486. The cubic root of 3279999 is about 148.5791617294.

It can be divided in two parts, 3279 and 999, that added together give a triangular number (4278 = T₉₂).

The spelling of 3279999 in words is "three million, two hundred seventy-nine thousand, nine hundred ninety-nine".