1943061 has 4 divisors (see below), whose sum is σ = 2590752. Its totient is φ = 1295372.

The previous prime is 1943059. The next prime is 1943069. The reversal of 1943061 is 1603491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1943061 - 2¹ = 1943059 is a prime.

It is an Ulam number.

It is a D-number.

1943061 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1943069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323841 + ... + 323846.

It is an arithmetic number, because the mean of its divisors is an integer number (647688).

2^1943061 is an apocalyptic number.

It is an amenable number.

1943061 is a deficient number, since it is larger than the sum of its proper divisors (647691).

1943061 is an equidigital number, since it uses as much as digits as its factorization.

1943061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647690.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1943061 is about 1393.9372295767. The cubic root of 1943061 is about 124.7849315099.

It can be divided in two parts, 19430 and 61, that added together give a palindrome (19491).

The spelling of 1943061 in words is "one million, nine hundred forty-three thousand, sixty-one".