1382356047 has 4 divisors (see below), whose sum is σ = 1843141400. Its totient is φ = 921570696.

The previous prime is 1382356033. The next prime is 1382356081. The reversal of 1382356047 is 7406532831.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1382356047 - 2¹² = 1382351951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1382355996 and 1382356014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382356847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230392672 + ... + 230392677.

It is an arithmetic number, because the mean of its divisors is an integer number (460785350).

Almost surely, 2^1382356047 is an apocalyptic number.

1382356047 is a deficient number, since it is larger than the sum of its proper divisors (460785353).

1382356047 is an equidigital number, since it uses as much as digits as its factorization.

1382356047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460785352.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 1382356047 is about 37180.0490451532. The cubic root of 1382356047 is about 1113.9695137062.

Adding to 1382356047 its reverse (7406532831), we get a palindrome (8788888878).

The spelling of 1382356047 in words is "one billion, three hundred eighty-two million, three hundred fifty-six thousand, forty-seven".