1382329478 has 4 divisors (see below), whose sum is σ = 2073494220. Its totient is φ = 691164738.

The previous prime is 1382329447. The next prime is 1382329513. The reversal of 1382329478 is 8749232831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8749232831 = 953 ⋅9180727.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345582368 + ... + 345582371.

It is an arithmetic number, because the mean of its divisors is an integer number (518373555).

Almost surely, 2^1382329478 is an apocalyptic number.

1382329478 is a deficient number, since it is larger than the sum of its proper divisors (691164742).

1382329478 is an equidigital number, since it uses as much as digits as its factorization.

1382329478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691164741.

The product of its digits is 580608, while the sum is 47.

The square root of 1382329478 is about 37179.6917415946. The cubic root of 1382329478 is about 1113.9623767977.

The spelling of 1382329478 in words is "one billion, three hundred eighty-two million, three hundred twenty-nine thousand, four hundred seventy-eight".