385618437 has 12 divisors (see below), whose sum is σ = 581222304. Its totient is φ = 245901480.

The previous prime is 385618417. The next prime is 385618451. The reversal of 385618437 is 734816583.

385618437 is a `hidden beast` number, since 3 + 8 + 561 + 84 + 3 + 7 = 666.

It is not a de Polignac number, because 385618437 - 2⁷ = 385618309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 385618392 and 385618401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385618417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 931239 + ... + 931652.

It is an arithmetic number, because the mean of its divisors is an integer number (48435192).

Almost surely, 2^385618437 is an apocalyptic number.

It is an amenable number.

385618437 is a deficient number, since it is larger than the sum of its proper divisors (195603867).

385618437 is a wasteful number, since it uses less digits than its factorization.

385618437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862920 (or 1862917 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 385618437 is about 19637.1697808009. The cubic root of 385618437 is about 727.8679500510.

The spelling of 385618437 in words is "three hundred eighty-five million, six hundred eighteen thousand, four hundred thirty-seven".