1338966 has 24 divisors (see below), whose sum is σ = 2943720. Its totient is φ = 439776.

The previous prime is 1338941. The next prime is 1338979. The reversal of 1338966 is 6698331.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1338966.

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 11 ways as a sum of consecutive naturals, for example, 805 + ... + 1823.

It is an arithmetic number, because the mean of its divisors is an integer number (122655).

2^1338966 is an apocalyptic number.

1338966 is an abundant number, since it is smaller than the sum of its proper divisors (1604754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1338966 is a wasteful number, since it uses less digits than its factorization.

1338966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100 (or 1097 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 1338966 is about 1157.1369841121. The cubic root of 1338966 is about 110.2190126868.

It can be divided in two parts, 1338 and 966, that added together give a square (2304 = 48²).

The spelling of 1338966 in words is "one million, three hundred thirty-eight thousand, nine hundred sixty-six".