912993845 has 16 divisors (see below), whose sum is σ = 1136448192. Its totient is φ = 703624320.

The previous prime is 912993841. The next prime is 912993859. The reversal of 912993845 is 548399219.

It is a happy number.

It is not a de Polignac number, because 912993845 - 2² = 912993841 is a prime.

It is a super-3 number, since 3×912993845³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 912993793 and 912993802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912993841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13391 + ... + 44780.

It is an arithmetic number, because the mean of its divisors is an integer number (71028012).

Almost surely, 2^912993845 is an apocalyptic number.

It is an amenable number.

912993845 is a deficient number, since it is larger than the sum of its proper divisors (223454347).

912993845 is a wasteful number, since it uses less digits than its factorization.

912993845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58292.

The product of its digits is 699840, while the sum is 50.

The square root of 912993845 is about 30215.7880089201. The cubic root of 912993845 is about 970.1136526766.

The spelling of 912993845 in words is "nine hundred twelve million, nine hundred ninety-three thousand, eight hundred forty-five".