885430644 has 24 divisors (see below), whose sum is σ = 2361148608. Its totient is φ = 252980160.

The previous prime is 885430631. The next prime is 885430681. The reversal of 885430644 is 446034588.

885430644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 885430596 and 885430605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5270337 + ... + 5270504.

It is an arithmetic number, because the mean of its divisors is an integer number (98381192).

Almost surely, 2^885430644 is an apocalyptic number.

885430644 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

885430644 is an abundant number, since it is smaller than the sum of its proper divisors (1475717964).

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

885430644 is a wasteful number, since it uses less digits than its factorization.

885430644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10540855 (or 10540853 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The square root of 885430644 is about 29756.1866508462. The cubic root of 885430644 is about 960.2511799338.

The spelling of 885430644 in words is "eight hundred eighty-five million, four hundred thirty thousand, six hundred forty-four".