1906765 has 16 divisors (see below), whose sum is σ = 2639232. Its totient is φ = 1295424.

The previous prime is 1906757. The next prime is 1906811. The reversal of 1906765 is 5676091.

It is a cyclic number.

It is not a de Polignac number, because 1906765 - 2³ = 1906757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1906765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5322 + ... + 5668.

It is an arithmetic number, because the mean of its divisors is an integer number (164952).

2^1906765 is an apocalyptic number.

It is an amenable number.

1906765 is a deficient number, since it is larger than the sum of its proper divisors (732467).

1906765 is a wasteful number, since it uses less digits than its factorization.

1906765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 1906765 is about 1380.8566181903. The cubic root of 1906765 is about 124.0030566364.

The spelling of 1906765 in words is "one million, nine hundred six thousand, seven hundred sixty-five".