29988894 has 16 divisors (see below), whose sum is σ = 64591632. Its totient is φ = 9227328.

The previous prime is 29988887. The next prime is 29988899. The reversal of 29988894 is 49888992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29988899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192159 + ... + 192314.

It is an arithmetic number, because the mean of its divisors is an integer number (4036977).

Almost surely, 2^29988894 is an apocalyptic number.

29988894 is an abundant number, since it is smaller than the sum of its proper divisors (34602738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29988894 is a wasteful number, since it uses less digits than its factorization.

29988894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384491.

The product of its digits is 2985984, while the sum is 57.

The square root of 29988894 is about 5476.2116467500. The cubic root of 29988894 is about 310.6849026137.

The spelling of 29988894 in words is "twenty-nine million, nine hundred eighty-eight thousand, eight hundred ninety-four".