29830442 has 4 divisors (see below), whose sum is σ = 44745666. Its totient is φ = 14915220.

The previous prime is 29830441. The next prime is 29830447. The reversal of 29830442 is 24403892.

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

It can be written as a sum of positive squares in only one way, i.e., 29822521 + 7921 = 5461^2 + 89^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29830399 and 29830408.

It is not an unprimeable number, because it can be changed into a prime (29830441) 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 as a sum of consecutive naturals, namely, 7457609 + ... + 7457612.

Almost surely, 2^29830442 is an apocalyptic number.

29830442 is a deficient number, since it is larger than the sum of its proper divisors (14915224).

29830442 is a wasteful number, since it uses less digits than its factorization.

29830442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14915223.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 29830442 is about 5461.7251853238. The cubic root of 29830442 is about 310.1367485477.

The spelling of 29830442 in words is "twenty-nine million, eight hundred thirty thousand, four hundred forty-two".