1347982406 has 4 divisors (see below), whose sum is σ = 2021973612. Its totient is φ = 673991202.

The previous prime is 1347982369. The next prime is 1347982421. The reversal of 1347982406 is 6042897431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6042897431 = 821 ⋅7360411.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 336995600 + ... + 336995603.

It is an arithmetic number, because the mean of its divisors is an integer number (505493403).

Almost surely, 2^1347982406 is an apocalyptic number.

1347982406 is a deficient number, since it is larger than the sum of its proper divisors (673991206).

1347982406 is an equidigital number, since it uses as much as digits as its factorization.

1347982406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673991205.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 1347982406 is about 36714.8798990273. The cubic root of 1347982406 is about 1104.6585913867.

The spelling of 1347982406 in words is "one billion, three hundred forty-seven million, nine hundred eighty-two thousand, four hundred six".