1517968 has 10 divisors (see below), whose sum is σ = 2941094. Its totient is φ = 758976.

The previous prime is 1517941. The next prime is 1517983. The reversal of 1517968 is 8697151.

It can be written as a sum of positive squares in only one way, i.e., 1517824 + 144 = 1232^2 + 12^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47421 + ... + 47452.

2^1517968 is an apocalyptic number.

It is an amenable number.

1517968 is a deficient number, since it is larger than the sum of its proper divisors (1423126).

1517968 is an equidigital number, since it uses as much as digits as its factorization.

1517968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94881 (or 94875 counting only the distinct ones).

The product of its digits is 15120, while the sum is 37.

The square root of 1517968 is about 1232.0584401724. The cubic root of 1517968 is about 114.9266829460.

It can be divided in two parts, 1517 and 968, that added together give a triangular number (2485 = T₇₀).

The spelling of 1517968 in words is "one million, five hundred seventeen thousand, nine hundred sixty-eight".