385642396 has 24 divisors (see below), whose sum is σ = 684507600. Its totient is φ = 190088832.

The previous prime is 385642391. The next prime is 385642441. The reversal of 385642396 is 693246583.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385642391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79291 + ... + 84013.

It is an arithmetic number, because the mean of its divisors is an integer number (28521150).

Almost surely, 2^385642396 is an apocalyptic number.

It is an amenable number.

385642396 is a deficient number, since it is larger than the sum of its proper divisors (298865204).

385642396 is a wasteful number, since it uses less digits than its factorization.

385642396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5013 (or 5011 counting only the distinct ones).

The product of its digits is 933120, while the sum is 46.

The square root of 385642396 is about 19637.7798134107. The cubic root of 385642396 is about 727.8830242153.

The spelling of 385642396 in words is "three hundred eighty-five million, six hundred forty-two thousand, three hundred ninety-six".