30426443 has 4 divisors (see below), whose sum is σ = 30620400. Its totient is φ = 30232488.

The previous prime is 30426433. The next prime is 30426449. The reversal of 30426443 is 34462403.

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 30426443 - 2¹⁰ = 30425419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30426449) 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, 96743 + ... + 97056.

It is an arithmetic number, because the mean of its divisors is an integer number (7655100).

Almost surely, 2^30426443 is an apocalyptic number.

30426443 is a deficient number, since it is larger than the sum of its proper divisors (193957).

30426443 is a wasteful number, since it uses less digits than its factorization.

30426443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193956.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 30426443 is about 5516.0169506629. The cubic root of 30426443 is about 312.1886152696.

Adding to 30426443 its reverse (34462403), we get a palindrome (64888846).

The spelling of 30426443 in words is "thirty million, four hundred twenty-six thousand, four hundred forty-three".