4646401 has 2 divisors, whose sum is σ = 4646402. Its totient is φ = 4646400.

The previous prime is 4646381. The next prime is 4646413. The reversal of 4646401 is 1046464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4626801 + 19600 = 2151^2 + 140^2 .

It is a cyclic number.

It is not a de Polignac number, because 4646401 - 2⁷ = 4646273 is a prime.

It is an Ulam number.

4646401 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4646501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2323200 + 2323201.

It is an arithmetic number, because the mean of its divisors is an integer number (2323201).

Almost surely, 2^4646401 is an apocalyptic number.

It is an amenable number.

4646401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4646401 is an equidigital number, since it uses as much as digits as its factorization.

4646401 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 25.

The square root of 4646401 is about 2155.5512056084. The cubic root of 4646401 is about 166.8676805741.

The spelling of 4646401 in words is "four million, six hundred forty-six thousand, four hundred one".