4046381 has 2 divisors, whose sum is σ = 4046382. Its totient is φ = 4046380.

The previous prime is 4046377. The next prime is 4046387. The reversal of 4046381 is 1836404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2856100 + 1190281 = 1690^2 + 1091^2 .

It is a cyclic number.

It is not a de Polignac number, because 4046381 - 2² = 4046377 is a prime.

It is a super-2 number, since 2×4046381² = 32746398394322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4046381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4046387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2023190 + 2023191.

It is an arithmetic number, because the mean of its divisors is an integer number (2023191).

Almost surely, 2^4046381 is an apocalyptic number.

It is an amenable number.

4046381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4046381 is an equidigital number, since it uses as much as digits as its factorization.

4046381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 4046381 is about 2011.5618310159. The cubic root of 4046381 is about 159.3512926931.

The spelling of 4046381 in words is "four million, forty-six thousand, three hundred eighty-one".