918471357 has 12 divisors (see below), whose sum is σ = 1357534464. Its totient is φ = 598074120.

The previous prime is 918471347. The next prime is 918471377. The reversal of 918471357 is 753174819.

It is not a de Polignac number, because 918471357 - 2⁴ = 918471341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918471347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1186269 + ... + 1187042.

It is an arithmetic number, because the mean of its divisors is an integer number (113127872).

Almost surely, 2^918471357 is an apocalyptic number.

It is an amenable number.

918471357 is a deficient number, since it is larger than the sum of its proper divisors (439063107).

918471357 is a wasteful number, since it uses less digits than its factorization.

918471357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373360 (or 2373357 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 918471357 is about 30306.2923664377. The cubic root of 918471357 is about 972.0498532831.

The spelling of 918471357 in words is "nine hundred eighteen million, four hundred seventy-one thousand, three hundred fifty-seven".