29696431 has 4 divisors (see below), whose sum is σ = 29708272. Its totient is φ = 29684592.

The previous prime is 29696413. The next prime is 29696461. The reversal of 29696431 is 13469692.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 29696431 - 2¹⁷ = 29565359 is a prime.

It is a super-2 number, since 2×29696431² = 1763756028275522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29696461) 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 3 ways as a sum of consecutive naturals, for example, 510 + ... + 7723.

It is an arithmetic number, because the mean of its divisors is an integer number (7427068).

Almost surely, 2^29696431 is an apocalyptic number.

29696431 is a deficient number, since it is larger than the sum of its proper divisors (11841).

29696431 is an equidigital number, since it uses as much as digits as its factorization.

29696431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11840.

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

The square root of 29696431 is about 5449.4431825646. The cubic root of 29696431 is about 309.6716294002.

The spelling of 29696431 in words is "twenty-nine million, six hundred ninety-six thousand, four hundred thirty-one".