29909450 has 12 divisors (see below), whose sum is σ = 55631670. Its totient is φ = 11963760.

The previous prime is 29909447. The next prime is 29909471. The reversal of 29909450 is 5490992.

It can be written as a sum of positive squares in 3 ways, for example, as 22363441 + 7546009 = 4729^2 + 2747^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 299045 + ... + 299144.

Almost surely, 2^29909450 is an apocalyptic number.

29909450 is a deficient number, since it is larger than the sum of its proper divisors (25722220).

29909450 is a wasteful number, since it uses less digits than its factorization.

29909450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598201 (or 598196 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 29909450 is about 5468.9532819361. The cubic root of 29909450 is about 310.4103134194.

The spelling of 29909450 in words is "twenty-nine million, nine hundred nine thousand, four hundred fifty".