918334387 has 4 divisors (see below), whose sum is σ = 950001120. Its totient is φ = 886667656.

The previous prime is 918334367. The next prime is 918334393. The reversal of 918334387 is 783433819.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 918334387 - 2⁷ = 918334259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (918334367) 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 3 ways as a sum of consecutive naturals, for example, 15833323 + ... + 15833380.

It is an arithmetic number, because the mean of its divisors is an integer number (237500280).

Almost surely, 2^918334387 is an apocalyptic number.

918334387 is a deficient number, since it is larger than the sum of its proper divisors (31666733).

918334387 is a wasteful number, since it uses less digits than its factorization.

918334387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31666732.

The product of its digits is 435456, while the sum is 46.

The square root of 918334387 is about 30304.0325204419. The cubic root of 918334387 is about 972.0015308590.

The spelling of 918334387 in words is "nine hundred eighteen million, three hundred thirty-four thousand, three hundred eighty-seven".