29985854 has 8 divisors (see below), whose sum is σ = 45214848. Its totient is φ = 14914240.

The previous prime is 29985853. The next prime is 29985871. The reversal of 29985854 is 45858992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29985853) 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, 38867 + ... + 39630.

It is an arithmetic number, because the mean of its divisors is an integer number (5651856).

Almost surely, 2^29985854 is an apocalyptic number.

29985854 is a deficient number, since it is larger than the sum of its proper divisors (15228994).

29985854 is a wasteful number, since it uses less digits than its factorization.

29985854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78690.

The product of its digits is 1036800, while the sum is 50.

The square root of 29985854 is about 5475.9340755710. The cubic root of 29985854 is about 310.6744041270.

The spelling of 29985854 in words is "twenty-nine million, nine hundred eighty-five thousand, eight hundred fifty-four".