1940538 has 16 divisors (see below), whose sum is σ = 4006656. Its totient is φ = 625920.

The previous prime is 1940537. The next prime is 1940551. The reversal of 1940538 is 8350491.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1940537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5031 + ... + 5402.

It is an arithmetic number, because the mean of its divisors is an integer number (250416).

2^1940538 is an apocalyptic number.

1940538 is an abundant number, since it is smaller than the sum of its proper divisors (2066118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1940538 is a wasteful number, since it uses less digits than its factorization.

1940538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10469.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1940538 is about 1393.0319450752. The cubic root of 1940538 is about 124.7308984238.

The spelling of 1940538 in words is "one million, nine hundred forty thousand, five hundred thirty-eight".