1940859 has 12 divisors (see below), whose sum is σ = 2815800. Its totient is φ = 1288224.

The previous prime is 1940849. The next prime is 1940881. The reversal of 1940859 is 9580491.

It is not a de Polignac number, because 1940859 - 2¹⁵ = 1908091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1940849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3127 + ... + 3695.

It is an arithmetic number, because the mean of its divisors is an integer number (234650).

2^1940859 is an apocalyptic number.

1940859 is a deficient number, since it is larger than the sum of its proper divisors (874941).

1940859 is a wasteful number, since it uses less digits than its factorization.

1940859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954 (or 951 counting only the distinct ones).

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

The square root of 1940859 is about 1393.1471566206. The cubic root of 1940859 is about 124.7377756250.

The spelling of 1940859 in words is "one million, nine hundred forty thousand, eight hundred fifty-nine".