943398941 has 4 divisors (see below), whose sum is σ = 947070012. Its totient is φ = 939727872.

The previous prime is 943398931. The next prime is 943398943. The reversal of 943398941 is 149893349.

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

It can be written as a sum of positive squares in 2 ways, for example, as 487747225 + 455651716 = 22085^2 + 21346^2 .

It is a cyclic number.

It is not a de Polignac number, because 943398941 - 2⁶ = 943398877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 943398941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (943398943) 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, 1835150 + ... + 1835663.

It is an arithmetic number, because the mean of its divisors is an integer number (236767503).

Almost surely, 2^943398941 is an apocalyptic number.

It is an amenable number.

943398941 is a deficient number, since it is larger than the sum of its proper divisors (3671071).

943398941 is a wasteful number, since it uses less digits than its factorization.

943398941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671070.

The product of its digits is 839808, while the sum is 50.

The square root of 943398941 is about 30714.8000319064. The cubic root of 943398941 is about 980.7653818797.

The spelling of 943398941 in words is "nine hundred forty-three million, three hundred ninety-eight thousand, nine hundred forty-one".