29919471 has 16 divisors (see below), whose sum is σ = 42589440. Its totient is φ = 18627840.

The previous prime is 29919437. The next prime is 29919479. The reversal of 29919471 is 17491992.

It is not a de Polignac number, because 29919471 - 2¹⁴ = 29903087 is a prime.

It is a super-3 number, since 3×29919471³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29919479) 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 15 ways as a sum of consecutive naturals, for example, 351 + ... + 7743.

It is an arithmetic number, because the mean of its divisors is an integer number (2661840).

Almost surely, 2^29919471 is an apocalyptic number.

29919471 is a deficient number, since it is larger than the sum of its proper divisors (12669969).

29919471 is a wasteful number, since it uses less digits than its factorization.

29919471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486.

The product of its digits is 40824, while the sum is 42.

The square root of 29919471 is about 5469.8693768682. The cubic root of 29919471 is about 310.4449766492. Note that the first 3 decimals are identical.

The spelling of 29919471 in words is "twenty-nine million, nine hundred nineteen thousand, four hundred seventy-one".