1913168 has 20 divisors (see below), whose sum is σ = 3744180. Its totient is φ = 946944.

The previous prime is 1913161. The next prime is 1913201. The reversal of 1913168 is 8613191.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 937024 + 976144 = 968^2 + 988^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1913168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196 + ... + 2292.

It is an arithmetic number, because the mean of its divisors is an integer number (187209).

2^1913168 is an apocalyptic number.

It is an amenable number.

1913168 is a deficient number, since it is larger than the sum of its proper divisors (1831012).

1913168 is a wasteful number, since it uses less digits than its factorization.

1913168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214 (or 1208 counting only the distinct ones).

The product of its digits is 1296, while the sum is 29.

The square root of 1913168 is about 1383.1731634181. The cubic root of 1913168 is about 124.1417041141.

The spelling of 1913168 in words is "one million, nine hundred thirteen thousand, one hundred sixty-eight".