29912853 has 4 divisors (see below), whose sum is σ = 39883808. Its totient is φ = 19941900.

The previous prime is 29912819. The next prime is 29912863. The reversal of 29912853 is 35821992.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 29912853 - 2⁶ = 29912789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29912803) 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, 4985473 + ... + 4985478.

It is an arithmetic number, because the mean of its divisors is an integer number (9970952).

Almost surely, 2^29912853 is an apocalyptic number.

It is an amenable number.

29912853 is a deficient number, since it is larger than the sum of its proper divisors (9970955).

29912853 is an equidigital number, since it uses as much as digits as its factorization.

29912853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9970954.

The product of its digits is 38880, while the sum is 39.

The square root of 29912853 is about 5469.2643929508. The cubic root of 29912853 is about 310.4220854651.

The spelling of 29912853 in words is "twenty-nine million, nine hundred twelve thousand, eight hundred fifty-three".