1316484 has 72 divisors (see below), whose sum is σ = 3745560. Its totient is φ = 387072.

The previous prime is 1316479. The next prime is 1316507. The reversal of 1316484 is 4846131.

1316484 is a `hidden beast` number, since 13 + 1 + 648 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 44100 + 1272384 = 210^2 + 1128^2 .

It is an Ulam number.

Its product of digits (2304) is a multiple of the sum of its prime divisors (144).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13524 + ... + 13620.

2^1316484 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 1316484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1872780).

1316484 is an abundant number, since it is smaller than the sum of its proper divisors (2429076).

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

1316484 is a wasteful number, since it uses less digits than its factorization.

1316484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 144 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1316484 is about 1147.3813664166. The cubic root of 1316484 is about 109.5986475760.

The spelling of 1316484 in words is "one million, three hundred sixteen thousand, four hundred eighty-four".