1343247246 has 64 divisors (see below), whose sum is σ = 3263846400. Its totient is φ = 406108800.

The previous prime is 1343247239. The next prime is 1343247247. The reversal of 1343247246 is 6427423431.

It is a self number, because there is not a number n which added to its sum of digits gives 1343247246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343247247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282166 + ... + 286886.

It is an arithmetic number, because the mean of its divisors is an integer number (50997600).

Almost surely, 2^1343247246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1343247246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1631923200).

1343247246 is an abundant number, since it is smaller than the sum of its proper divisors (1920599154).

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

1343247246 is a wasteful number, since it uses less digits than its factorization.

1343247246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222 (or 5216 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 1343247246 is about 36650.3375973537. The cubic root of 1343247246 is about 1103.3636012016.

The spelling of 1343247246 in words is "one billion, three hundred forty-three million, two hundred forty-seven thousand, two hundred forty-six".