2385385506 has 48 divisors (see below), whose sum is σ = 5913782784. Its totient is φ = 680717952.

The previous prime is 2385385433. The next prime is 2385385507. The reversal of 2385385506 is 6055835832.

It is not an unprimeable number, because it can be changed into a prime (2385385507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97770 + ... + 119706.

It is an arithmetic number, because the mean of its divisors is an integer number (123203808).

Almost surely, 2^2385385506 is an apocalyptic number.

2385385506 is an abundant number, since it is smaller than the sum of its proper divisors (3528397278).

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

2385385506 is a wasteful number, since it uses less digits than its factorization.

2385385506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22815 (or 22812 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The square root of 2385385506 is about 48840.4085363749. The cubic root of 2385385506 is about 1336.1427475003.

The spelling of 2385385506 in words is "two billion, three hundred eighty-five million, three hundred eighty-five thousand, five hundred six".