918497340 has 48 divisors (see below), whose sum is σ = 2857548960. Its totient is φ = 244932480.

The previous prime is 918497323. The next prime is 918497381. The reversal of 918497340 is 43794819.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 849921 + ... + 851000.

It is an arithmetic number, because the mean of its divisors is an integer number (59532270).

Almost surely, 2^918497340 is an apocalyptic number.

918497340 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

918497340 is an abundant number, since it is smaller than the sum of its proper divisors (1939051620).

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

918497340 is a wasteful number, since it uses less digits than its factorization.

918497340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700939 (or 1700931 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 918497340 is about 30306.7210367601. The cubic root of 918497340 is about 972.0590194311.

The spelling of 918497340 in words is "nine hundred eighteen million, four hundred ninety-seven thousand, three hundred forty".