943972117 has 16 divisors (see below), whose sum is σ = 1085785920. Its totient is φ = 811641600.

The previous prime is 943972109. The next prime is 943972147. The reversal of 943972117 is 711279349.

It is a happy number.

It is not a de Polignac number, because 943972117 - 2³ = 943972109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (943972147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134733 + ... + 141565.

It is an arithmetic number, because the mean of its divisors is an integer number (67861620).

Almost surely, 2^943972117 is an apocalyptic number.

It is an amenable number.

943972117 is a deficient number, since it is larger than the sum of its proper divisors (141813803).

943972117 is a wasteful number, since it uses less digits than its factorization.

943972117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7524.

The product of its digits is 95256, while the sum is 43.

The square root of 943972117 is about 30724.1292309481. The cubic root of 943972117 is about 980.9639678454.

The spelling of 943972117 in words is "nine hundred forty-three million, nine hundred seventy-two thousand, one hundred seventeen".