941569 has 4 divisors (see below), whose sum is σ = 944944. Its totient is φ = 938196.

The previous prime is 941561. The next prime is 941573. The reversal of 941569 is 965149.

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 941569 - 2³ = 941561 is a prime.

It is a super-2 number, since 2×941569² = 1773104363522, which contains 22 as substring.

It is a Duffinian number.

941569 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (941561) 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, 1227 + ... + 1840.

It is an arithmetic number, because the mean of its divisors is an integer number (236236).

2⁹⁴¹⁵⁶⁹ is an apocalyptic number.

941569 is the 614-th heptagonal number.

It is an amenable number.

941569 is a deficient number, since it is larger than the sum of its proper divisors (3375).

941569 is a wasteful number, since it uses less digits than its factorization.

941569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374.

The product of its digits is 9720, while the sum is 34.

The square root of 941569 is about 970.3447840845. The cubic root of 941569 is about 98.0130830791.

The spelling of 941569 in words is "nine hundred forty-one thousand, five hundred sixty-nine".