945406917 has 64 divisors (see below), whose sum is σ = 1749852160. Its totient is φ = 491147712.

The previous prime is 945406871. The next prime is 945406933. The reversal of 945406917 is 719604549.

945406917 is a `hidden beast` number, since 94 + 540 + 6 + 9 + 17 = 666.

945406917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 945406917 - 2⁸ = 945406661 is a prime.

It is a super-2 number, since 2×945406917² = 1787588477422889778, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945406117) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 161748 + ... + 167490.

It is an arithmetic number, because the mean of its divisors is an integer number (27341440).

Almost surely, 2^945406917 is an apocalyptic number.

It is an amenable number.

945406917 is a deficient number, since it is larger than the sum of its proper divisors (804445243).

945406917 is a wasteful number, since it uses less digits than its factorization.

945406917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839 (or 5833 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 945406917 is about 30747.4700910498. The cubic root of 945406917 is about 981.4607249598.

The spelling of 945406917 in words is "nine hundred forty-five million, four hundred six thousand, nine hundred seventeen".