1047996 has 36 divisors (see below), whose sum is σ = 2714712. Its totient is φ = 340704.

The previous prime is 1047989. The next prime is 1047997. The reversal of 1047996 is 6997401.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1047996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1210 + ... + 1886.

2^1047996 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 1047996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1357356).

1047996 is an abundant number, since it is smaller than the sum of its proper divisors (1666716).

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

1047996 is a wasteful number, since it uses less digits than its factorization.

1047996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1047996 is about 1023.7167577021. The cubic root of 1047996 is about 101.5749323321.

It can be divided in two parts, 104 and 7996, that added together give a square (8100 = 90²).

The spelling of 1047996 in words is "one million, forty-seven thousand, nine hundred ninety-six".