29449989 has 6 divisors (see below), whose sum is σ = 42538886. Its totient is φ = 19633320.

The previous prime is 29449957. The next prime is 29450009. The reversal of 29449989 is 98994492.

It can be written as a sum of positive squares in only one way, i.e., 28836900 + 613089 = 5370^2 + 783^2 .

It is not a de Polignac number, because 29449989 - 2⁵ = 29449957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29449919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1636102 + ... + 1636119.

Almost surely, 2^29449989 is an apocalyptic number.

It is an amenable number.

29449989 is a deficient number, since it is larger than the sum of its proper divisors (13088897).

29449989 is a wasteful number, since it uses less digits than its factorization.

29449989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272227 (or 3272224 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 29449989 is about 5426.7844069946. The cubic root of 29449989 is about 308.8126240119.

The spelling of 29449989 in words is "twenty-nine million, four hundred forty-nine thousand, nine hundred eighty-nine".