4793981 has 2 divisors, whose sum is σ = 4793982. Its totient is φ = 4793980.

The previous prime is 4793969. The next prime is 4794001. The reversal of 4793981 is 1893974.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4268356 + 525625 = 2066^2 + 725^2 .

It is a cyclic number.

It is not a de Polignac number, because 4793981 - 2¹⁸ = 4531837 is a prime.

It is a super-2 number, since 2×4793981² = 45964507656722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4⁶ + 7³ + 9⁴ + 3 + 9⁷ + 8 + 1 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4793951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2396990 + 2396991.

It is an arithmetic number, because the mean of its divisors is an integer number (2396991).

Almost surely, 2^4793981 is an apocalyptic number.

It is an amenable number.

4793981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4793981 is an equidigital number, since it uses as much as digits as its factorization.

4793981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 4793981 is about 2189.5161565972. The cubic root of 4793981 is about 168.6159949402.

The spelling of 4793981 in words is "four million, seven hundred ninety-three thousand, nine hundred eighty-one".