1347435648 has 240 divisors, whose sum is σ = 4347778050. Its totient is φ = 414056448.

The previous prime is 1347435641. The next prime is 1347435653. The reversal of 1347435648 is 8465347431.

1347435648 is a `hidden beast` number, since 1 + 3 + 47 + 43 + 564 + 8 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 602800704 + 744634944 = 24552^2 + 27288^2 .

It is not an unprimeable number, because it can be changed into a prime (1347435641) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1751808 + ... + 1752576.

Almost surely, 2^1347435648 is an apocalyptic number.

1347435648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1347435648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2173889025).

1347435648 is an abundant number, since it is smaller than the sum of its proper divisors (3000342402).

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

1347435648 is an equidigital number, since it uses as much as digits as its factorization.

1347435648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 787 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 1347435648 is about 36707.4331437108. The cubic root of 1347435648 is about 1104.5092168849.

The spelling of 1347435648 in words is "one billion, three hundred forty-seven million, four hundred thirty-five thousand, six hundred forty-eight".