1346643 has 6 divisors (see below), whose sum is σ = 1945164. Its totient is φ = 897756.

The previous prime is 1346641. The next prime is 1346647. The reversal of 1346643 is 3466431.

1346643 is a `hidden beast` number, since 13 + 4 + 6 + 643 = 666.

It is not a de Polignac number, because 1346643 - 2¹ = 1346641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1346641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74805 + ... + 74822.

It is an arithmetic number, because the mean of its divisors is an integer number (324194).

2^1346643 is an apocalyptic number.

1346643 is a deficient number, since it is larger than the sum of its proper divisors (598521).

1346643 is a wasteful number, since it uses less digits than its factorization.

1346643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149633 (or 149630 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 1346643 is about 1160.4494818819. The cubic root of 1346643 is about 110.4292593367.

It can be divided in two parts, 13 and 46643, that added together give a 6-th power (46656 = 6⁶).

The spelling of 1346643 in words is "one million, three hundred forty-six thousand, six hundred forty-three".