3299981 has 4 divisors (see below), whose sum is σ = 3406464. Its totient is φ = 3193500.

The previous prime is 3299969. The next prime is 3300001. The reversal of 3299981 is 1899923.

3299981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3299981 is a prime.

It is a super-2 number, since 2×3299981² = 21779749200722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3299941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53195 + ... + 53256.

It is an arithmetic number, because the mean of its divisors is an integer number (851616).

Almost surely, 2^3299981 is an apocalyptic number.

3299981 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3299981 is a deficient number, since it is larger than the sum of its proper divisors (106483).

3299981 is a wasteful number, since it uses less digits than its factorization.

3299981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106482.

The product of its digits is 34992, while the sum is 41.

The square root of 3299981 is about 1816.5849828731. The cubic root of 3299981 is about 148.8802695645.

The spelling of 3299981 in words is "three million, two hundred ninety-nine thousand, nine hundred eighty-one".