385037269 has 2 divisors, whose sum is σ = 385037270. Its totient is φ = 385037268.

The previous prime is 385037201. The next prime is 385037309. The reversal of 385037269 is 962730583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251634769 + 133402500 = 15863^2 + 11550^2 .

It is an emirp because it is prime and its reverse (962730583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 385037269 - 2¹³ = 385029077 is a prime.

It is a super-2 number, since 2×385037269² = 296507397037956722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385035269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192518634 + 192518635.

It is an arithmetic number, because the mean of its divisors is an integer number (192518635).

Almost surely, 2^385037269 is an apocalyptic number.

It is an amenable number.

385037269 is a deficient number, since it is larger than the sum of its proper divisors (1).

385037269 is an equidigital number, since it uses as much as digits as its factorization.

385037269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 385037269 is about 19622.3665494252. The cubic root of 385037269 is about 727.5021080622.

The spelling of 385037269 in words is "three hundred eighty-five million, thirty-seven thousand, two hundred sixty-nine".