945953388 has 36 divisors (see below), whose sum is σ = 2446772328. Its totient is φ = 307984320.

The previous prime is 945953387. The next prime is 945953401. The reversal of 945953388 is 883359549.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (945953383) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 303993 + ... + 307088.

It is an arithmetic number, because the mean of its divisors is an integer number (67965898).

Almost surely, 2^945953388 is an apocalyptic number.

It is an amenable number.

945953388 is an abundant number, since it is smaller than the sum of its proper divisors (1500818940).

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

945953388 is a wasteful number, since it uses less digits than its factorization.

945953388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611134 (or 611129 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 945953388 is about 30756.3552457049. The cubic root of 945953388 is about 981.6497922307.

The spelling of 945953388 in words is "nine hundred forty-five million, nine hundred fifty-three thousand, three hundred eighty-eight".