1047827956 has 48 divisors (see below), whose sum is σ = 2188278400. Its totient is φ = 438600960.

The previous prime is 1047827947. The next prime is 1047827959. The reversal of 1047827956 is 6597287401.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047827959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50116 + ... + 67876.

Almost surely, 2^1047827956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1047827956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1094139200).

1047827956 is an abundant number, since it is smaller than the sum of its proper divisors (1140450444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1047827956 is a wasteful number, since it uses less digits than its factorization.

1047827956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17829 (or 17813 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 1047827956 is about 32370.1707749588. The cubic root of 1047827956 is about 1015.6950293153.

The spelling of 1047827956 in words is "one billion, forty-seven million, eight hundred twenty-seven thousand, nine hundred fifty-six".