1047682439 has 4 divisors (see below), whose sum is σ = 1102823640. Its totient is φ = 992541240.

The previous prime is 1047682421. The next prime is 1047682463. The reversal of 1047682439 is 9342867401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1047682439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1047682439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047612439) 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, 27570572 + ... + 27570609.

It is an arithmetic number, because the mean of its divisors is an integer number (275705910).

Almost surely, 2^1047682439 is an apocalyptic number.

1047682439 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1047682439 is a deficient number, since it is larger than the sum of its proper divisors (55141201).

1047682439 is an equidigital number, since it uses as much as digits as its factorization.

1047682439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55141200.

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

The square root of 1047682439 is about 32367.9229948417. The cubic root of 1047682439 is about 1015.6480089575.

The spelling of 1047682439 in words is "one billion, forty-seven million, six hundred eighty-two thousand, four hundred thirty-nine".