945038688 has 48 divisors (see below), whose sum is σ = 2706250176. Its totient is φ = 286375040.

The previous prime is 945038683. The next prime is 945038723. The reversal of 945038688 is 886830549.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×945038688² = 1786196243633522688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 945038688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945038683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446406 + ... + 448517.

It is an arithmetic number, because the mean of its divisors is an integer number (56380212).

Almost surely, 2^945038688 is an apocalyptic number.

It is an amenable number.

945038688 is an abundant number, since it is smaller than the sum of its proper divisors (1761211488).

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

945038688 is a wasteful number, since it uses less digits than its factorization.

945038688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894947 (or 894939 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The square root of 945038688 is about 30741.4815518055. The cubic root of 945038688 is about 981.3332845155. Note that the first 3 decimals are identical.

The spelling of 945038688 in words is "nine hundred forty-five million, thirty-eight thousand, six hundred eighty-eight".