918130 has 8 divisors (see below), whose sum is σ = 1652652. Its totient is φ = 367248.

The previous prime is 918109. The next prime is 918131. The reversal of 918130 is 31819.

It can be written as a sum of positive squares in 2 ways, for example, as 829921 + 88209 = 911^2 + 297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (918131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45897 + ... + 45916.

2⁹¹⁸¹³⁰ is an apocalyptic number.

918130 is a deficient number, since it is larger than the sum of its proper divisors (734522).

918130 is a wasteful number, since it uses less digits than its factorization.

918130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91820.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 918130 is about 958.1910039235. The cubic root of 918130 is about 97.1929415073.

Adding to 918130 its reverse (31819), we get a palindrome (949949).

The spelling of 918130 in words is "nine hundred eighteen thousand, one hundred thirty".