385309695 has 32 divisors (see below), whose sum is σ = 645156864. Its totient is φ = 196128000.

The previous prime is 385309693. The next prime is 385309699. The reversal of 385309695 is 596903583.

It is not a de Polignac number, because 385309695 - 2¹ = 385309693 is a prime.

It is a super-2 number, since 2×385309695² = 296927122121986050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385309693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28270 + ... + 39620.

It is an arithmetic number, because the mean of its divisors is an integer number (20161152).

Almost surely, 2^385309695 is an apocalyptic number.

385309695 is a deficient number, since it is larger than the sum of its proper divisors (259847169).

385309695 is a wasteful number, since it uses less digits than its factorization.

385309695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11463.

The product of its (nonzero) digits is 874800, while the sum is 48.

The square root of 385309695 is about 19629.3070432963. The cubic root of 385309695 is about 727.6736445009.

The spelling of 385309695 in words is "three hundred eighty-five million, three hundred nine thousand, six hundred ninety-five".