945855384 has 192 divisors, whose sum is σ = 2673699840. Its totient is φ = 278353920.

The previous prime is 945855377. The next prime is 945855403. The reversal of 945855384 is 483558549.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11395807 + ... + 11395889.

It is an arithmetic number, because the mean of its divisors is an integer number (13925520).

Almost surely, 2^945855384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 945855384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1336849920).

945855384 is an abundant number, since it is smaller than the sum of its proper divisors (1727844456).

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

945855384 is a wasteful number, since it uses less digits than its factorization.

945855384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 189 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 51.

The square root of 945855384 is about 30754.7619727417. The cubic root of 945855384 is about 981.6158903035.

The spelling of 945855384 in words is "nine hundred forty-five million, eight hundred fifty-five thousand, three hundred eighty-four".