1940901 has 12 divisors (see below), whose sum is σ = 2707488. Its totient is φ = 1236664.

The previous prime is 1940893. The next prime is 1940903. The reversal of 1940901 is 1090491.

It is not a de Polignac number, because 1940901 - 2³ = 1940893 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940903) 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 11 ways as a sum of consecutive naturals, for example, 976 + ... + 2198.

It is an arithmetic number, because the mean of its divisors is an integer number (225624).

2^1940901 is an apocalyptic number.

It is an amenable number.

1940901 is a deficient number, since it is larger than the sum of its proper divisors (766587).

1940901 is a wasteful number, since it uses less digits than its factorization.

1940901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1940901 is about 1393.1622303235. The cubic root of 1940901 is about 124.7386753896.

The spelling of 1940901 in words is "one million, nine hundred forty thousand, nine hundred one".