918941212 has 24 divisors (see below), whose sum is σ = 1901259360. Its totient is φ = 380251200.

The previous prime is 918941207. The next prime is 918941267. The reversal of 918941212 is 212149819.

It is a super-2 number, since 2×918941212² = 1688905902224057888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 565039 + ... + 566662.

It is an arithmetic number, because the mean of its divisors is an integer number (79219140).

Almost surely, 2^918941212 is an apocalyptic number.

It is an amenable number.

918941212 is an abundant number, since it is smaller than the sum of its proper divisors (982318148).

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

918941212 is a wasteful number, since it uses less digits than its factorization.

918941212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131741 (or 1131739 counting only the distinct ones).

The product of its digits is 10368, while the sum is 37.

The square root of 918941212 is about 30314.0431483496. The cubic root of 918941212 is about 972.2155795999.

The spelling of 918941212 in words is "nine hundred eighteen million, nine hundred forty-one thousand, two hundred twelve".