1047409884 has 72 divisors (see below), whose sum is σ = 2814215040. Its totient is φ = 327527712.

The previous prime is 1047409871. The next prime is 1047409889. The reversal of 1047409884 is 4889047401.

1047409884 is a `hidden beast` number, since 10 + 474 + 0 + 98 + 84 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047409889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63019 + ... + 77885.

It is an arithmetic number, because the mean of its divisors is an integer number (39086320).

Almost surely, 2^1047409884 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 1047409884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1407107520).

1047409884 is an abundant number, since it is smaller than the sum of its proper divisors (1766805156).

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

1047409884 is a wasteful number, since it uses less digits than its factorization.

1047409884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14999 (or 14994 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 1047409884 is about 32363.7124570096. The cubic root of 1047409884 is about 1015.5599275755.

The spelling of 1047409884 in words is "one billion, forty-seven million, four hundred nine thousand, eight hundred eighty-four".