1906268 has 24 divisors (see below), whose sum is σ = 4106592. Its totient is φ = 753984.

The previous prime is 1906259. The next prime is 1906271. The reversal of 1906268 is 8626091.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2255 + ... + 2982.

It is an arithmetic number, because the mean of its divisors is an integer number (171108).

2^1906268 is an apocalyptic number.

It is an amenable number.

1906268 is an abundant number, since it is smaller than the sum of its proper divisors (2200324).

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

1906268 is a wasteful number, since it uses less digits than its factorization.

1906268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5261 (or 5259 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1906268 is about 1380.6766457067. The cubic root of 1906268 is about 123.9922818644.

The spelling of 1906268 in words is "one million, nine hundred six thousand, two hundred sixty-eight".