1534216 has 32 divisors (see below), whose sum is σ = 3159000. Its totient is φ = 695296.

The previous prime is 1534213. The next prime is 1534217. The reversal of 1534216 is 6124351.

It can be written as a sum of positive squares in 4 ways, for example, as 1331716 + 202500 = 1154^2 + 450^2 .

It is not an unprimeable number, because it can be changed into a prime (1534213) by changing a digit.

It is a nontrivial repunit in base 115.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3750 + ... + 4138.

2^1534216 is an apocalyptic number.

It is an amenable number.

1534216 is an abundant number, since it is smaller than the sum of its proper divisors (1624784).

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

1534216 is a wasteful number, since it uses less digits than its factorization.

1534216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 437 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 1534216 is about 1238.6347322758. The cubic root of 1534216 is about 115.3352786452.

Adding to 1534216 its reverse (6124351), we get a palindrome (7658567).

The spelling of 1534216 in words is "one million, five hundred thirty-four thousand, two hundred sixteen".