29872434 has 16 divisors (see below), whose sum is σ = 63259488. Its totient is φ = 9371712.

The previous prime is 29872433. The next prime is 29872441. The reversal of 29872434 is 43427892.

It is a junction number, because it is equal to n+sod(n) for n = 29872392 and 29872401.

It is not an unprimeable number, because it can be changed into a prime (29872433) 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 7 ways as a sum of consecutive naturals, for example, 146332 + ... + 146535.

It is an arithmetic number, because the mean of its divisors is an integer number (3953718).

Almost surely, 2^29872434 is an apocalyptic number.

29872434 is an abundant number, since it is smaller than the sum of its proper divisors (33387054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29872434 is a wasteful number, since it uses less digits than its factorization.

29872434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292889.

The product of its digits is 96768, while the sum is 39.

The square root of 29872434 is about 5465.5680400119. The cubic root of 29872434 is about 310.2822057310.

The spelling of 29872434 in words is "twenty-nine million, eight hundred seventy-two thousand, four hundred thirty-four".