30243406 has 4 divisors (see below), whose sum is σ = 45365112. Its totient is φ = 15121702.

The previous prime is 30243403. The next prime is 30243407. The reversal of 30243406 is 60434203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60434203 = 379 ⋅159457.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30243403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7560850 + ... + 7560853.

It is an arithmetic number, because the mean of its divisors is an integer number (11341278).

Almost surely, 2^30243406 is an apocalyptic number.

30243406 is a deficient number, since it is larger than the sum of its proper divisors (15121706).

30243406 is a wasteful number, since it uses less digits than its factorization.

30243406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15121705.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 30243406 is about 5499.4005127832. The cubic root of 30243406 is about 311.5613425204.

Adding to 30243406 its reverse (60434203), we get a palindrome (90677609).

The spelling of 30243406 in words is "thirty million, two hundred forty-three thousand, four hundred six".