1356668 has 24 divisors (see below), whose sum is σ = 2558304. Its totient is φ = 627200.

The previous prime is 1356659. The next prime is 1356671. The reversal of 1356668 is 8666531.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4688 + ... + 4968.

It is an arithmetic number, because the mean of its divisors is an integer number (106596).

2^1356668 is an apocalyptic number.

It is an amenable number.

1356668 is a deficient number, since it is larger than the sum of its proper divisors (1201636).

1356668 is a wasteful number, since it uses less digits than its factorization.

1356668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 371 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 1356668 is about 1164.7609196741. The cubic root of 1356668 is about 110.7026100566.

The spelling of 1356668 in words is "one million, three hundred fifty-six thousand, six hundred sixty-eight".