1355668 has 12 divisors (see below), whose sum is σ = 2423232. Its totient is φ = 663320.

The previous prime is 1355659. The next prime is 1355677. The reversal of 1355668 is 8665531.

It is an interprime number because it is at equal distance from previous prime (1355659) and next prime (1355677).

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 3418 + ... + 3793.

It is an arithmetic number, because the mean of its divisors is an integer number (201936).

2^1355668 is an apocalyptic number.

It is an amenable number.

1355668 is a deficient number, since it is larger than the sum of its proper divisors (1067564).

1355668 is a wasteful number, since it uses less digits than its factorization.

1355668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7262 (or 7260 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 1355668 is about 1164.3315678964. The cubic root of 1355668 is about 110.6754037392.

The spelling of 1355668 in words is "one million, three hundred fifty-five thousand, six hundred sixty-eight".