29999998 has 8 divisors (see below), whose sum is σ = 51428592. Its totient is φ = 12857136.

The previous prime is 29999989. The next prime is 29999999. The reversal of 29999998 is 89999992.

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

It is a fibodiv number, since the Fibonacci-like sequence with seeds 2 and 9999998 contains 29999998 itself.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29999999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071415 + ... + 1071442.

It is an arithmetic number, because the mean of its divisors is an integer number (6428574).

Almost surely, 2^29999998 is an apocalyptic number.

29999998 is a deficient number, since it is larger than the sum of its proper divisors (21428594).

29999998 is a wasteful number, since it uses less digits than its factorization.

29999998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142866.

The product of its digits is 8503056, while the sum is 64.

The square root of 29999998 is about 5477.2253924775. The cubic root of 29999998 is about 310.7232436904.

It can be divided in two parts, 2 and 9999998, that added together give a 7-th power (10000000 = 10⁷).

The spelling of 29999998 in words is "twenty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-eight".