1047438439 has 8 divisors (see below), whose sum is σ = 1101986928. Its totient is φ = 994271040.

The previous prime is 1047438437. The next prime is 1047438449. The reversal of 1047438439 is 9348347401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1047438439 - 2¹ = 1047438437 is a prime.

It is a super-3 number, since 3×1047438439³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1047438395 and 1047438404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047438437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343717 + ... + 346750.

It is an arithmetic number, because the mean of its divisors is an integer number (137748366).

Almost surely, 2^1047438439 is an apocalyptic number.

1047438439 is a deficient number, since it is larger than the sum of its proper divisors (54548489).

1047438439 is an equidigital number, since it uses as much as digits as its factorization.

1047438439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690545.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 1047438439 is about 32364.1536116735. The cubic root of 1047438439 is about 1015.5691563886.

The spelling of 1047438439 in words is "one billion, forty-seven million, four hundred thirty-eight thousand, four hundred thirty-nine".