943879 has 4 divisors (see below), whose sum is σ = 947520. Its totient is φ = 940240.

The previous prime is 943871. The next prime is 943903. The reversal of 943879 is 978349.

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 943879 - 2³ = 943871 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (943871) 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, 1399 + ... + 1960.

It is an arithmetic number, because the mean of its divisors is an integer number (236880).

2⁹⁴³⁸⁷⁹ is an apocalyptic number.

943879 is a deficient number, since it is larger than the sum of its proper divisors (3641).

943879 is a wasteful number, since it uses less digits than its factorization.

943879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640.

The product of its digits is 54432, while the sum is 40.

The square root of 943879 is about 971.5343534842. The cubic root of 943879 is about 98.0931711446.

The spelling of 943879 in words is "nine hundred forty-three thousand, eight hundred seventy-nine".