406624633 has 2 divisors, whose sum is σ = 406624634. Its totient is φ = 406624632.

The previous prime is 406624607. The next prime is 406624651. The reversal of 406624633 is 336426604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329676649 + 76947984 = 18157^2 + 8772^2 .

It is a cyclic number.

It is not a de Polignac number, because 406624633 - 2⁵ = 406624601 is a prime.

It is not a weakly prime, because it can be changed into another prime (406624693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203312316 + 203312317.

It is an arithmetic number, because the mean of its divisors is an integer number (203312317).

Almost surely, 2^406624633 is an apocalyptic number.

It is an amenable number.

406624633 is a deficient number, since it is larger than the sum of its proper divisors (1).

406624633 is an equidigital number, since it uses as much as digits as its factorization.

406624633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 34.

The square root of 406624633 is about 20164.9357301232. The cubic root of 406624633 is about 740.8516084468.

The spelling of 406624633 in words is "four hundred six million, six hundred twenty-four thousand, six hundred thirty-three".