1940823 has 12 divisors (see below), whose sum is σ = 2836080. Its totient is φ = 1278816.

The previous prime is 1940821. The next prime is 1940833. The reversal of 1940823 is 3280491.

It is not a de Polignac number, because 1940823 - 2¹ = 1940821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940821) 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, 411 + ... + 2012.

It is an arithmetic number, because the mean of its divisors is an integer number (236340).

2^1940823 is an apocalyptic number.

1940823 is a deficient number, since it is larger than the sum of its proper divisors (895257).

1940823 is a wasteful number, since it uses less digits than its factorization.

1940823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518 (or 2515 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1940823 is about 1393.1342361740. The cubic root of 1940823 is about 124.7370043879.

The spelling of 1940823 in words is "one million, nine hundred forty thousand, eight hundred twenty-three".