3227981 has 8 divisors (see below), whose sum is σ = 3386880. Its totient is φ = 3070672.

The previous prime is 3227963. The next prime is 3227989. The reversal of 3227981 is 1897223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3227981 is a prime.

It is a super-2 number, since 2×3227981² = 20839722672722, 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 (3227989) 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, 6500 + ... + 6978.

It is an arithmetic number, because the mean of its divisors is an integer number (423360).

Almost surely, 2^3227981 is an apocalyptic number.

It is an amenable number.

3227981 is a deficient number, since it is larger than the sum of its proper divisors (158899).

3227981 is a wasteful number, since it uses less digits than its factorization.

3227981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795.

The product of its digits is 6048, while the sum is 32.

The square root of 3227981 is about 1796.6582869316. The cubic root of 3227981 is about 147.7895261209.

The spelling of 3227981 in words is "three million, two hundred twenty-seven thousand, nine hundred eighty-one".