385003429 has 2 divisors, whose sum is σ = 385003430. Its totient is φ = 385003428.

The previous prime is 385003363. The next prime is 385003433. The reversal of 385003429 is 924300583.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317730625 + 67272804 = 17825^2 + 8202^2 .

It is an emirp because it is prime and its reverse (924300583) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385003429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 385003394 and 385003403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385003469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192501714 + 192501715.

It is an arithmetic number, because the mean of its divisors is an integer number (192501715).

Almost surely, 2^385003429 is an apocalyptic number.

It is an amenable number.

385003429 is a deficient number, since it is larger than the sum of its proper divisors (1).

385003429 is an equidigital number, since it uses as much as digits as its factorization.

385003429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 385003429 is about 19621.5042491650. The cubic root of 385003429 is about 727.4807946340.

The spelling of 385003429 in words is "three hundred eighty-five million, three thousand, four hundred twenty-nine".