1343309946 has 32 divisors (see below), whose sum is σ = 2932540416. Its totient is φ = 406830000.

The previous prime is 1343309941. The next prime is 1343309969. The reversal of 1343309946 is 6499033431.

It is a super-2 number, since 2×1343309946² = 3608963222045045832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1343309898 and 1343309907.

It is not an unprimeable number, because it can be changed into a prime (1343309941) 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 15 ways as a sum of consecutive naturals, for example, 135871 + ... + 145421.

It is an arithmetic number, because the mean of its divisors is an integer number (91641888).

Almost surely, 2^1343309946 is an apocalyptic number.

1343309946 is an abundant number, since it is smaller than the sum of its proper divisors (1589230470).

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

1343309946 is a wasteful number, since it uses less digits than its factorization.

1343309946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11698.

The product of its (nonzero) digits is 209952, while the sum is 42.

The square root of 1343309946 is about 36651.1929683060. The cubic root of 1343309946 is about 1103.3807685106.

The spelling of 1343309946 in words is "one billion, three hundred forty-three million, three hundred nine thousand, nine hundred forty-six".