4366981 has 2 divisors, whose sum is σ = 4366982. Its totient is φ = 4366980.

The previous prime is 4366969. The next prime is 4367029. The reversal of 4366981 is 1896634.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3348900 + 1018081 = 1830^2 + 1009^2 .

It is a cyclic number.

It is not a de Polignac number, because 4366981 - 2⁷ = 4366853 is a prime.

It is a super-2 number, since 2×4366981² = 38141046108722, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

4366981 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4366981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4366931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2183490 + 2183491.

It is an arithmetic number, because the mean of its divisors is an integer number (2183491).

Almost surely, 2^4366981 is an apocalyptic number.

It is an amenable number.

4366981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4366981 is an equidigital number, since it uses as much as digits as its factorization.

4366981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 4366981 is about 2089.7322795038. The cubic root of 4366981 is about 163.4533279922.

The spelling of 4366981 in words is "four million, three hundred sixty-six thousand, nine hundred eighty-one".