918955494 has 48 divisors (see below), whose sum is σ = 2057332992. Its totient is φ = 296264304.

The previous prime is 918955493. The next prime is 918955511. The reversal of 918955494 is 494559819.

918955494 is a `hidden beast` number, since 9 + 1 + 8 + 95 + 549 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 918955494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918955493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73959 + ... + 85485.

It is an arithmetic number, because the mean of its divisors is an integer number (42861104).

Almost surely, 2^918955494 is an apocalyptic number.

918955494 is an abundant number, since it is smaller than the sum of its proper divisors (1138377498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

918955494 is a wasteful number, since it uses less digits than its factorization.

918955494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11681 (or 11678 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 54.

The square root of 918955494 is about 30314.2787148235. The cubic root of 918955494 is about 972.2206162337.

The spelling of 918955494 in words is "nine hundred eighteen million, nine hundred fifty-five thousand, four hundred ninety-four".