29430885 has 32 divisors (see below), whose sum is σ = 51881472. Its totient is φ = 14127680.

The previous prime is 29430881. The next prime is 29430901. The reversal of 29430885 is 58803492.

It is a happy number.

It is not a de Polignac number, because 29430885 - 2² = 29430881 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29430881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16822 + ... + 18488.

It is an arithmetic number, because the mean of its divisors is an integer number (1621296).

Almost surely, 2^29430885 is an apocalyptic number.

It is an amenable number.

29430885 is a deficient number, since it is larger than the sum of its proper divisors (22450587).

29430885 is a wasteful number, since it uses less digits than its factorization.

29430885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 29430885 is about 5425.0239630807. The cubic root of 29430885 is about 308.7458347114.

The spelling of 29430885 in words is "twenty-nine million, four hundred thirty thousand, eight hundred eighty-five".