1344087918 has 28 divisors (see below), whose sum is σ = 3022818288. Its totient is φ = 448028820.

The previous prime is 1344087917. The next prime is 1344087919. The reversal of 1344087918 is 8197804431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1344087917) and next prime (1344087919).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344087917) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 459478 + ... + 462393.

It is an arithmetic number, because the mean of its divisors is an integer number (107957796).

Almost surely, 2^1344087918 is an apocalyptic number.

1344087918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1344087918 is an abundant number, since it is smaller than the sum of its proper divisors (1678730370).

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

1344087918 is an frugal number, since it uses more digits than its factorization.

1344087918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921891 (or 921876 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 1344087918 is about 36661.8046200675. The cubic root of 1344087918 is about 1103.5937334301.

The spelling of 1344087918 in words is "one billion, three hundred forty-four million, eighty-seven thousand, nine hundred eighteen".