385362129 has 4 divisors (see below), whose sum is σ = 513816176. Its totient is φ = 256908084.

The previous prime is 385362113. The next prime is 385362139. The reversal of 385362129 is 921263583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 385362129 - 2⁴ = 385362113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385362139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64227019 + ... + 64227024.

It is an arithmetic number, because the mean of its divisors is an integer number (128454044).

Almost surely, 2^385362129 is an apocalyptic number.

It is an amenable number.

385362129 is a deficient number, since it is larger than the sum of its proper divisors (128454047).

385362129 is a wasteful number, since it uses less digits than its factorization.

385362129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128454046.

The product of its digits is 77760, while the sum is 39.

The square root of 385362129 is about 19630.6426028289. The cubic root of 385362129 is about 727.7066509455.

The spelling of 385362129 in words is "three hundred eighty-five million, three hundred sixty-two thousand, one hundred twenty-nine".