918389801 has 6 divisors (see below), whose sum is σ = 1068331050. Its totient is φ = 787191216.

The previous prime is 918389767. The next prime is 918389807. The reversal of 918389801 is 108983819.

It is a happy number.

918389801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 882149401 + 36240400 = 29701^2 + 6020^2 .

It is not a de Polignac number, because 918389801 - 2¹⁰ = 918388777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (918389807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9371276 + ... + 9371373.

It is an arithmetic number, because the mean of its divisors is an integer number (178055175).

Almost surely, 2^918389801 is an apocalyptic number.

It is an amenable number.

918389801 is a deficient number, since it is larger than the sum of its proper divisors (149941249).

918389801 is a wasteful number, since it uses less digits than its factorization.

918389801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18742663 (or 18742656 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 47.

The square root of 918389801 is about 30304.9468074108. The cubic root of 918389801 is about 972.0210812574.

The spelling of 918389801 in words is "nine hundred eighteen million, three hundred eighty-nine thousand, eight hundred one".