943949 has 4 divisors (see below), whose sum is σ = 950880. Its totient is φ = 937020.

The previous prime is 943931. The next prime is 943951. The reversal of 943949 is 949349.

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, and also an emirpimes, since its reverse is a distinct semiprime: 949349 = 443 ⋅2143.

It is a cyclic number.

It is not a de Polignac number, because 943949 - 2⁸ = 943693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (943909) 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, 3257 + ... + 3534.

It is an arithmetic number, because the mean of its divisors is an integer number (237720).

2⁹⁴³⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

943949 is a deficient number, since it is larger than the sum of its proper divisors (6931).

943949 is a wasteful number, since it uses less digits than its factorization.

943949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6930.

The product of its digits is 34992, while the sum is 38.

The square root of 943949 is about 971.5703783051. The cubic root of 943949 is about 98.0955960148.

The spelling of 943949 in words is "nine hundred forty-three thousand, nine hundred forty-nine".