385242912 has 48 divisors (see below), whose sum is σ = 1123627680. Its totient is φ = 128414016.

The previous prime is 385242911. The next prime is 385242937. The reversal of 385242912 is 219242583.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (385242911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222078 + ... + 223805.

It is an arithmetic number, because the mean of its divisors is an integer number (23408910).

Almost surely, 2^385242912 is an apocalyptic number.

385242912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

385242912 is an abundant number, since it is smaller than the sum of its proper divisors (738384768).

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

385242912 is a wasteful number, since it uses less digits than its factorization.

385242912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445902 (or 445888 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 385242912 is about 19627.6058652093. The cubic root of 385242912 is about 727.6316012324.

It can be divided in two parts, 3852 and 42912, that added together give a palindrome (46764).

The spelling of 385242912 in words is "three hundred eighty-five million, two hundred forty-two thousand, nine hundred twelve".