443149941 has 12 divisors (see below), whose sum is σ = 639814848. Its totient is φ = 272707344.

The previous prime is 443149937. The next prime is 443149943. The reversal of 443149941 is 149941344.

It is not a de Polignac number, because 443149941 - 2² = 443149937 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 443149941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443149943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 436525 + ... + 437538.

It is an arithmetic number, because the mean of its divisors is an integer number (53317904).

Almost surely, 2^443149941 is an apocalyptic number.

It is an amenable number.

443149941 is a deficient number, since it is larger than the sum of its proper divisors (196664907).

443149941 is a wasteful number, since it uses less digits than its factorization.

443149941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874092 (or 874079 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 443149941 is about 21051.1268344476. The cubic root of 443149941 is about 762.4011895968.

The spelling of 443149941 in words is "four hundred forty-three million, one hundred forty-nine thousand, nine hundred forty-one".