1516356 has 36 divisors (see below), whose sum is σ = 3892252. Its totient is φ = 497664.

The previous prime is 1516343. The next prime is 1516357. The reversal of 1516356 is 6536151.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1285956 + 230400 = 1134^2 + 480^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1516357) 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, 2340 + ... + 2916.

2^1516356 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 1516356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1946126).

1516356 is an abundant number, since it is smaller than the sum of its proper divisors (2375896).

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

1516356 is a wasteful number, since it uses less digits than its factorization.

1516356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 655 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 1516356 is about 1231.4040766540. The cubic root of 1516356 is about 114.8859865609.

The spelling of 1516356 in words is "one million, five hundred sixteen thousand, three hundred fifty-six".