29989101 has 16 divisors (see below), whose sum is σ = 40550400. Its totient is φ = 19712880.

The previous prime is 29989027. The next prime is 29989109. The reversal of 29989101 is 10198992.

It is a happy number.

It is not a de Polignac number, because 29989101 - 2¹¹ = 29987053 is a prime.

It is a super-5 number, since 5×29989101⁵ (a number of 39 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29989101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29989109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113896 + ... + 114158.

It is an arithmetic number, because the mean of its divisors is an integer number (2534400).

Almost surely, 2^29989101 is an apocalyptic number.

It is an amenable number.

29989101 is a deficient number, since it is larger than the sum of its proper divisors (10561299).

29989101 is a wasteful number, since it uses less digits than its factorization.

29989101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656.

The product of its (nonzero) digits is 11664, while the sum is 39.

The square root of 29989101 is about 5476.2305466443. The cubic root of 29989101 is about 310.6856174520.

The spelling of 29989101 in words is "twenty-nine million, nine hundred eighty-nine thousand, one hundred one".