918371490 has 16 divisors (see below), whose sum is σ = 2204091648. Its totient is φ = 244899056.

The previous prime is 918371473. The next prime is 918371527. The reversal of 918371490 is 94173819.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15306162 + ... + 15306221.

It is an arithmetic number, because the mean of its divisors is an integer number (137755728).

Almost surely, 2^918371490 is an apocalyptic number.

918371490 is an abundant number, since it is smaller than the sum of its proper divisors (1285720158).

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

918371490 is a wasteful number, since it uses less digits than its factorization.

918371490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30612393.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 918371490 is about 30304.6446935119. The cubic root of 918371490 is about 972.0146211115.

The spelling of 918371490 in words is "nine hundred eighteen million, three hundred seventy-one thousand, four hundred ninety".