1047384 has 64 divisors (see below), whose sum is σ = 3141600. Its totient is φ = 321408.

The previous prime is 1047379. The next prime is 1047391. The reversal of 1047384 is 4837401.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2622 + ... + 2994.

2^1047384 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 1047384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1570800).

1047384 is an abundant number, since it is smaller than the sum of its proper divisors (2094216).

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

1047384 is a wasteful number, since it uses less digits than its factorization.

1047384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1047384 is about 1023.4178032456. The cubic root of 1047384 is about 101.5551561869. Note that the first 3 decimals are identical.

It can be divided in two parts, 1047 and 384, that added together give a triangular number (1431 = T₅₃).

The spelling of 1047384 in words is "one million, forty-seven thousand, three hundred eighty-four".