4646381 has 2 divisors, whose sum is σ = 4646382. Its totient is φ = 4646380.

The previous prime is 4646371. The next prime is 4646401. The reversal of 4646381 is 1836464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4583881 + 62500 = 2141^2 + 250^2 .

It is a cyclic number.

It is not a de Polignac number, because 4646381 - 2²² = 452077 is a prime.

It is a super-2 number, since 2×4646381² = 43177712794322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4646371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2323190 + 2323191.

It is an arithmetic number, because the mean of its divisors is an integer number (2323191).

Almost surely, 2^4646381 is an apocalyptic number.

It is an amenable number.

4646381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4646381 is an equidigital number, since it uses as much as digits as its factorization.

4646381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The square root of 4646381 is about 2155.5465664188. The cubic root of 4646381 is about 166.8674411516.

The spelling of 4646381 in words is "four million, six hundred forty-six thousand, three hundred eighty-one".