4690381 has 2 divisors, whose sum is σ = 4690382. Its totient is φ = 4690380.

The previous prime is 4690369. The next prime is 4690409. The reversal of 4690381 is 1830964.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4473225 + 217156 = 2115^2 + 466^2 .

It is a cyclic number.

It is not a de Polignac number, because 4690381 - 2⁵ = 4690349 is a prime.

It is a super-2 number, since 2×4690381² = 43999347850322, which contains 22 as substring.

It is a Chen prime.

4690381 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4690481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2345190 + 2345191.

It is an arithmetic number, because the mean of its divisors is an integer number (2345191).

Almost surely, 2^4690381 is an apocalyptic number.

It is an amenable number.

4690381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4690381 is an equidigital number, since it uses as much as digits as its factorization.

4690381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 4690381 is about 2165.7287457112. The cubic root of 4690381 is about 167.3925173666.

The spelling of 4690381 in words is "four million, six hundred ninety thousand, three hundred eighty-one".