385401433 has 2 divisors, whose sum is σ = 385401434. Its totient is φ = 385401432.

The previous prime is 385401403. The next prime is 385401461. The reversal of 385401433 is 334104583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315311049 + 70090384 = 17757^2 + 8372^2 .

It is an emirp because it is prime and its reverse (334104583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 385401433 - 2¹³ = 385393241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 385401395 and 385401404.

It is not a weakly prime, because it can be changed into another prime (385401403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192700716 + 192700717.

It is an arithmetic number, because the mean of its divisors is an integer number (192700717).

Almost surely, 2^385401433 is an apocalyptic number.

It is an amenable number.

385401433 is a deficient number, since it is larger than the sum of its proper divisors (1).

385401433 is an equidigital number, since it uses as much as digits as its factorization.

385401433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 385401433 is about 19631.6436652665. The cubic root of 385401433 is about 727.7313902817.

The spelling of 385401433 in words is "three hundred eighty-five million, four hundred one thousand, four hundred thirty-three".