29404989 has 24 divisors (see below), whose sum is σ = 45458400. Its totient is φ = 18260640.

The previous prime is 29404987. The next prime is 29405009. The reversal of 29404989 is 98940492.

It is not a de Polignac number, because 29404989 - 2¹ = 29404987 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29404987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9022 + ... + 11840.

It is an arithmetic number, because the mean of its divisors is an integer number (1894100).

Almost surely, 2^29404989 is an apocalyptic number.

It is an amenable number.

29404989 is a deficient number, since it is larger than the sum of its proper divisors (16053411).

29404989 is a wasteful number, since it uses less digits than its factorization.

29404989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905 (or 2902 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 29404989 is about 5422.6367202681. The cubic root of 29404989 is about 308.6552538099.

The spelling of 29404989 in words is "twenty-nine million, four hundred four thousand, nine hundred eighty-nine".