385604633 has 2 divisors, whose sum is σ = 385604634. Its totient is φ = 385604632.

The previous prime is 385604617. The next prime is 385604647. The reversal of 385604633 is 336406583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321556624 + 64048009 = 17932^2 + 8003^2 .

It is a cyclic number.

It is not a de Polignac number, because 385604633 - 2⁴ = 385604617 is a prime.

It is not a weakly prime, because it can be changed into another prime (385604603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192802316 + 192802317.

It is an arithmetic number, because the mean of its divisors is an integer number (192802317).

Almost surely, 2^385604633 is an apocalyptic number.

It is an amenable number.

385604633 is a deficient number, since it is larger than the sum of its proper divisors (1).

385604633 is an equidigital number, since it uses as much as digits as its factorization.

385604633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 385604633 is about 19636.8183013440. The cubic root of 385604633 is about 727.8592647738.

The spelling of 385604633 in words is "three hundred eighty-five million, six hundred four thousand, six hundred thirty-three".