29899898 has 12 divisors (see below), whose sum is σ = 52172442. Its totient is φ = 12814200.

The previous prime is 29899879. The next prime is 29899907. The reversal of 29899898 is 89899892.

It can be written as a sum of positive squares in only one way, i.e., 17698849 + 12201049 = 4207^2 + 3493^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29899898.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 152453 + ... + 152648.

Almost surely, 2^29899898 is an apocalyptic number.

29899898 is a deficient number, since it is larger than the sum of its proper divisors (22272544).

29899898 is a wasteful number, since it uses less digits than its factorization.

29899898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305117 (or 305110 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 62.

The square root of 29899898 is about 5468.0799189478. The cubic root of 29899898 is about 310.3772652801.

The spelling of 29899898 in words is "twenty-nine million, eight hundred ninety-nine thousand, eight hundred ninety-eight".