3280999 has 4 divisors (see below), whose sum is σ = 3295936. Its totient is φ = 3266064.

The previous prime is 3280969. The next prime is 3281011. The reversal of 3280999 is 9990823.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9990823 = 349 ⋅28627.

It is a cyclic number.

It is not a de Polignac number, because 3280999 - 2⁵ = 3280967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3280969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7134 + ... + 7579.

It is an arithmetic number, because the mean of its divisors is an integer number (823984).

Almost surely, 2^3280999 is an apocalyptic number.

3280999 is a deficient number, since it is larger than the sum of its proper divisors (14937).

3280999 is a wasteful number, since it uses less digits than its factorization.

3280999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14936.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 3280999 is about 1811.3528093665. The cubic root of 3280999 is about 148.5942597081.

The spelling of 3280999 in words is "three million, two hundred eighty thousand, nine hundred ninety-nine".