1940895 has 32 divisors (see below), whose sum is σ = 3767040. Its totient is φ = 940320.

The previous prime is 1940893. The next prime is 1940903. The reversal of 1940895 is 5980491.

It is not a de Polignac number, because 1940895 - 2¹ = 1940893 is a prime.

1940895 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 832 + ... + 2138.

It is an arithmetic number, because the mean of its divisors is an integer number (117720).

2^1940895 is an apocalyptic number.

1940895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1940895 is a deficient number, since it is larger than the sum of its proper divisors (1826145).

1940895 is a wasteful number, since it uses less digits than its factorization.

1940895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1940895 is about 1393.1600769474. The cubic root of 1940895 is about 124.7385468526.

It can be divided in two parts, 19408 and 95, that added together give a triangular number (19503 = T₁₉₇).

The spelling of 1940895 in words is "one million, nine hundred forty thousand, eight hundred ninety-five".