29909434 has 4 divisors (see below), whose sum is σ = 44864154. Its totient is φ = 14954716.

The previous prime is 29909419. The next prime is 29909441. The reversal of 29909434 is 43490992.

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., 28462225 + 1447209 = 5335^2 + 1203^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7477357 + ... + 7477360.

Almost surely, 2^29909434 is an apocalyptic number.

29909434 is a deficient number, since it is larger than the sum of its proper divisors (14954720).

29909434 is a wasteful number, since it uses less digits than its factorization.

29909434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14954719.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 29909434 is about 5468.9518191332. The cubic root of 29909434 is about 310.4102580683.

The spelling of 29909434 in words is "twenty-nine million, nine hundred nine thousand, four hundred thirty-four".