945683388 has 144 divisors (see below), whose sum is σ = 2710562400. Its totient is φ = 275950080.

The previous prime is 945683383. The next prime is 945683393. The reversal of 945683388 is 883386549.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (945683383) and next prime (945683393).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945683383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 800158 + ... + 801338.

It is an arithmetic number, because the mean of its divisors is an integer number (18823350).

Almost surely, 2^945683388 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 945683388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1355281200).

945683388 is an abundant number, since it is smaller than the sum of its proper divisors (1764879012).

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

945683388 is a wasteful number, since it uses less digits than its factorization.

945683388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292 (or 1287 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 945683388 is about 30751.9655957144. The cubic root of 945683388 is about 981.5563871123.

The spelling of 945683388 in words is "nine hundred forty-five million, six hundred eighty-three thousand, three hundred eighty-eight".