1606363 has 4 divisors (see below), whose sum is σ = 1752408. Its totient is φ = 1460320.

The previous prime is 1606349. The next prime is 1606379. The reversal of 1606363 is 3636061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1606363 - 2⁵ = 1606331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1606463) 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, 73006 + ... + 73027.

It is an arithmetic number, because the mean of its divisors is an integer number (438102).

2^1606363 is an apocalyptic number.

1606363 is a deficient number, since it is larger than the sum of its proper divisors (146045).

1606363 is a wasteful number, since it uses less digits than its factorization.

1606363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146044.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 1606363 is about 1267.4237649658. The cubic root of 1606363 is about 117.1155504891.

The spelling of 1606363 in words is "one million, six hundred six thousand, three hundred sixty-three".