918318093 has 32 divisors (see below), whose sum is σ = 1528350720. Its totient is φ = 476487360.

The previous prime is 918318029. The next prime is 918318097. The reversal of 918318093 is 390813819.

It is a happy number.

It is not a de Polignac number, because 918318093 - 2⁶ = 918318029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918318097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256248 + ... + 259806.

It is an arithmetic number, because the mean of its divisors is an integer number (47760960).

Almost surely, 2^918318093 is an apocalyptic number.

It is an amenable number.

918318093 is a deficient number, since it is larger than the sum of its proper divisors (610032627).

918318093 is a wasteful number, since it uses less digits than its factorization.

918318093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4697.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 918318093 is about 30303.7636771408. The cubic root of 918318093 is about 971.9957820864.

The spelling of 918318093 in words is "nine hundred eighteen million, three hundred eighteen thousand, ninety-three".