1515968 has 14 divisors (see below), whose sum is σ = 3008376. Its totient is φ = 757952.

The previous prime is 1515961. The next prime is 1515971. The reversal of 1515968 is 8695151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1515961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11780 + ... + 11907.

It is an arithmetic number, because the mean of its divisors is an integer number (214884).

2^1515968 is an apocalyptic number.

It is an amenable number.

1515968 is a deficient number, since it is larger than the sum of its proper divisors (1492408).

1515968 is an equidigital number, since it uses as much as digits as its factorization.

1515968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23699 (or 23689 counting only the distinct ones).

The product of its digits is 10800, while the sum is 35.

The square root of 1515968 is about 1231.2465228377. The cubic root of 1515968 is about 114.8761868469.

The spelling of 1515968 in words is "one million, five hundred fifteen thousand, nine hundred sixty-eight".