4196981 has 2 divisors, whose sum is σ = 4196982. Its totient is φ = 4196980.

The previous prime is 4196953. The next prime is 4196987. The reversal of 4196981 is 1896914.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2656900 + 1540081 = 1630^2 + 1241^2 .

It is a cyclic number.

It is not a de Polignac number, because 4196981 - 2⁶ = 4196917 is a prime.

It is a super-2 number, since 2×4196981² = 35229299028722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4196987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2098490 + 2098491.

It is an arithmetic number, because the mean of its divisors is an integer number (2098491).

Almost surely, 2^4196981 is an apocalyptic number.

It is an amenable number.

4196981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4196981 is an equidigital number, since it uses as much as digits as its factorization.

4196981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 38.

The square root of 4196981 is about 2048.6534602026. The cubic root of 4196981 is about 161.3041970736.

The spelling of 4196981 in words is "four million, one hundred ninety-six thousand, nine hundred eighty-one".