1346664 has 32 divisors (see below), whose sum is σ = 3673440. Its totient is φ = 408000.

The previous prime is 1346647. The next prime is 1346669. The reversal of 1346664 is 4666431.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1346669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2287 + ... + 2814.

It is an arithmetic number, because the mean of its divisors is an integer number (114795).

2^1346664 is an apocalyptic number.

It is an amenable number.

1346664 is an abundant number, since it is smaller than the sum of its proper divisors (2326776).

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

1346664 is a wasteful number, since it uses less digits than its factorization.

1346664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5121 (or 5117 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 1346664 is about 1160.4585300647. The cubic root of 1346664 is about 110.4298333573.

It can be divided in two parts, 13466 and 64, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 1346664 in words is "one million, three hundred forty-six thousand, six hundred sixty-four".