1941567 has 4 divisors (see below), whose sum is σ = 2588760. Its totient is φ = 1294376.

The previous prime is 1941559. The next prime is 1941571. The reversal of 1941567 is 7651491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7651491 = 3 ⋅2550497.

It is a cyclic number.

It is not a de Polignac number, because 1941567 - 2³ = 1941559 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1941517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323592 + ... + 323597.

It is an arithmetic number, because the mean of its divisors is an integer number (647190).

2^1941567 is an apocalyptic number.

1941567 is a deficient number, since it is larger than the sum of its proper divisors (647193).

1941567 is an equidigital number, since it uses as much as digits as its factorization.

1941567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647192.

The product of its digits is 7560, while the sum is 33.

The square root of 1941567 is about 1393.4012343902. The cubic root of 1941567 is about 124.7529413512.

The spelling of 1941567 in words is "one million, nine hundred forty-one thousand, five hundred sixty-seven".