940738688 has 24 divisors (see below), whose sum is σ = 1874819415. Its totient is φ = 470195840.

The previous prime is 940738609. The next prime is 940738691. The reversal of 940738688 is 886837049.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 470369344 + 470369344 = 21688^2 + 21688^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=21688.

It is a super-2 number, since 2×940738688² = 1769978558199922688, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 345653 + ... + 348363.

Almost surely, 2^940738688 is an apocalyptic number.

It is an amenable number.

940738688 is a deficient number, since it is larger than the sum of its proper divisors (934080727).

940738688 is an frugal number, since it uses more digits than its factorization.

940738688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5436 (or 2713 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 940738688 is about 30671.4637407477. The cubic root of 940738688 is about 979.8426402899.

The spelling of 940738688 in words is "nine hundred forty million, seven hundred thirty-eight thousand, six hundred eighty-eight".