385712953 has 4 divisors (see below), whose sum is σ = 395120628. Its totient is φ = 376305280.

The previous prime is 385712911. The next prime is 385712969. The reversal of 385712953 is 359217583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106254864 + 279458089 = 10308^2 + 16717^2 .

It is a cyclic number.

It is not a de Polignac number, because 385712953 - 2²¹ = 383615801 is a prime.

It is a super-2 number, since 2×385712953² = 297548964223960418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385712993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4703776 + ... + 4703857.

It is an arithmetic number, because the mean of its divisors is an integer number (98780157).

Almost surely, 2^385712953 is an apocalyptic number.

It is an amenable number.

385712953 is a deficient number, since it is larger than the sum of its proper divisors (9407675).

385712953 is an equidigital number, since it uses as much as digits as its factorization.

385712953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9407674.

The product of its digits is 226800, while the sum is 43.

The square root of 385712953 is about 19639.5761919650. The cubic root of 385712953 is about 727.9274125842.

The spelling of 385712953 in words is "three hundred eighty-five million, seven hundred twelve thousand, nine hundred fifty-three".