3593981 has 2 divisors, whose sum is σ = 3593982. Its totient is φ = 3593980.

The previous prime is 3593977. The next prime is 3594001. The reversal of 3593981 is 1893953.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2856100 + 737881 = 1690^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 3593981 - 2² = 3593977 is a prime.

It is a super-2 number, since 2×3593981² = 25833398856722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3593581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1796990 + 1796991.

It is an arithmetic number, because the mean of its divisors is an integer number (1796991).

Almost surely, 2^3593981 is an apocalyptic number.

It is an amenable number.

3593981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3593981 is an equidigital number, since it uses as much as digits as its factorization.

3593981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 38.

The square root of 3593981 is about 1895.7797867896. The cubic root of 3593981 is about 153.1764237115.

The spelling of 3593981 in words is "three million, five hundred ninety-three thousand, nine hundred eighty-one".