385382429 has 2 divisors, whose sum is σ = 385382430. Its totient is φ = 385382428.

The previous prime is 385382423. The next prime is 385382441. The reversal of 385382429 is 924283583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 383102329 + 2280100 = 19573^2 + 1510^2 .

It is an emirp because it is prime and its reverse (924283583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 385382429 - 2²⁰ = 384333853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385382429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385382423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192691214 + 192691215.

It is an arithmetic number, because the mean of its divisors is an integer number (192691215).

Almost surely, 2^385382429 is an apocalyptic number.

It is an amenable number.

385382429 is a deficient number, since it is larger than the sum of its proper divisors (1).

385382429 is an equidigital number, since it uses as much as digits as its factorization.

385382429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 44.

The square root of 385382429 is about 19631.1596448096. The cubic root of 385382429 is about 727.7194286979.

The spelling of 385382429 in words is "three hundred eighty-five million, three hundred eighty-two thousand, four hundred twenty-nine".