1368764 has 6 divisors (see below), whose sum is σ = 2395344. Its totient is φ = 684380.

The previous prime is 1368761. The next prime is 1368791. The reversal of 1368764 is 4678631.

It is an Ulam number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171092 + ... + 171099.

It is an arithmetic number, because the mean of its divisors is an integer number (399224).

2^1368764 is an apocalyptic number.

It is an amenable number.

1368764 is a deficient number, since it is larger than the sum of its proper divisors (1026580).

1368764 is a wasteful number, since it uses less digits than its factorization.

1368764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342195 (or 342193 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 1368764 is about 1169.9418788983. The cubic root of 1368764 is about 111.0306438133.

The spelling of 1368764 in words is "one million, three hundred sixty-eight thousand, seven hundred sixty-four".