1336664 has 16 divisors (see below), whose sum is σ = 2864400. Its totient is φ = 572832.

The previous prime is 1336663. The next prime is 1336729. The reversal of 1336664 is 4666331.

1336664 = T₂₃₁ + T₂₃₂ + ... + T₂₇₂.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1336663) 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, 11879 + ... + 11990.

It is an arithmetic number, because the mean of its divisors is an integer number (179025).

2^1336664 is an apocalyptic number.

1336664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1336664 is an abundant number, since it is smaller than the sum of its proper divisors (1527736).

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

1336664 is a wasteful number, since it uses less digits than its factorization.

1336664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23882 (or 23878 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 1336664 is about 1156.1418598079. The cubic root of 1336664 is about 110.1558122495.

The spelling of 1336664 in words is "one million, three hundred thirty-six thousand, six hundred sixty-four".