385042104 has 24 divisors (see below), whose sum is σ = 1042822560. Its totient is φ = 128347344.

The previous prime is 385042079. The next prime is 385042109. The reversal of 385042104 is 401240583.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385042109) 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, 2673832 + ... + 2673975.

It is an arithmetic number, because the mean of its divisors is an integer number (43450940).

Almost surely, 2^385042104 is an apocalyptic number.

It is an amenable number.

385042104 is an abundant number, since it is smaller than the sum of its proper divisors (657780456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385042104 is a wasteful number, since it uses less digits than its factorization.

385042104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5347819 (or 5347812 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 385042104 is about 19622.4897502840. The cubic root of 385042104 is about 727.5051531856.

Adding to 385042104 its reverse (401240583), we get a palindrome (786282687).

It can be divided in two parts, 3850 and 42104, that added together give a palindrome (45954).

The spelling of 385042104 in words is "three hundred eighty-five million, forty-two thousand, one hundred four".