1920606 has 8 divisors (see below), whose sum is σ = 3841224. Its totient is φ = 640200.

The previous prime is 1920601. The next prime is 1920613. The reversal of 1920606 is 6060291.

It is a sphenic number, since it is the product of 3 distinct primes.

1920606 is an admirable number.

1920606 is a modest number, since divided by 606 gives 192 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160045 + ... + 160056.

It is an arithmetic number, because the mean of its divisors is an integer number (480153).

2^1920606 is an apocalyptic number.

1920606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1920606 is a wasteful number, since it uses less digits than its factorization.

1920606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320106.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1920606 is about 1385.8593002177. The cubic root of 1920606 is about 124.3023751328.

Adding to 1920606 its reverse (6060291), we get a palindrome (7980897).

The spelling of 1920606 in words is "one million, nine hundred twenty thousand, six hundred six".