385276329 has 6 divisors (see below), whose sum is σ = 556510266. Its totient is φ = 256850880.

The previous prime is 385276279. The next prime is 385276361. The reversal of 385276329 is 923672583.

385276329 is a `hidden beast` number, since 3 + 8 + 5 + 2 + 7 + 632 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 363931929 + 21344400 = 19077^2 + 4620^2 .

It is not a de Polignac number, because 385276329 - 2²¹ = 383179177 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (385276369) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21404232 + ... + 21404249.

It is an arithmetic number, because the mean of its divisors is an integer number (92751711).

Almost surely, 2^385276329 is an apocalyptic number.

It is an amenable number.

385276329 is a deficient number, since it is larger than the sum of its proper divisors (171233937).

385276329 is a wasteful number, since it uses less digits than its factorization.

385276329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42808487 (or 42808484 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 385276329 is about 19628.4571222498. The cubic root of 385276329 is about 727.6526395275.

The spelling of 385276329 in words is "three hundred eighty-five million, two hundred seventy-six thousand, three hundred twenty-nine".