918914979 has 4 divisors (see below), whose sum is σ = 1225219976. Its totient is φ = 612609984.

The previous prime is 918914951. The next prime is 918914999. The reversal of 918914979 is 979419819.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 918914979 - 2⁵ = 918914947 is a prime.

It is a super-3 number, since 3×918914979³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (918914939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153152494 + ... + 153152499.

It is an arithmetic number, because the mean of its divisors is an integer number (306304994).

Almost surely, 2^918914979 is an apocalyptic number.

918914979 is a deficient number, since it is larger than the sum of its proper divisors (306304997).

918914979 is a wasteful number, since it uses less digits than its factorization.

918914979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306304996.

The product of its digits is 1469664, while the sum is 57.

The square root of 918914979 is about 30313.6104580104. The cubic root of 918914979 is about 972.2063282377.

The spelling of 918914979 in words is "nine hundred eighteen million, nine hundred fourteen thousand, nine hundred seventy-nine".