1941947 has 4 divisors (see below), whose sum is σ = 2219376. Its totient is φ = 1664520.

The previous prime is 1941941. The next prime is 1941967. The reversal of 1941947 is 7491491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1941947 - 2⁴ = 1941931 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1941941) 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 3 ways as a sum of consecutive naturals, for example, 138704 + ... + 138717.

It is an arithmetic number, because the mean of its divisors is an integer number (554844).

2^1941947 is an apocalyptic number.

1941947 is a deficient number, since it is larger than the sum of its proper divisors (277429).

1941947 is an equidigital number, since it uses as much as digits as its factorization.

1941947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277428.

The product of its digits is 9072, while the sum is 35.

The square root of 1941947 is about 1393.5375847102. The cubic root of 1941947 is about 124.7610796274.

The spelling of 1941947 in words is "one million, nine hundred forty-one thousand, nine hundred forty-seven".