29040385 has 16 divisors (see below), whose sum is σ = 38122560. Its totient is φ = 21061440.

The previous prime is 29040383. The next prime is 29040409. The reversal of 29040385 is 58304092.

It is not a de Polignac number, because 29040385 - 2¹ = 29040383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29040383) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33619 + ... + 34471.

It is an arithmetic number, because the mean of its divisors is an integer number (2382660).

Almost surely, 2^29040385 is an apocalyptic number.

It is an amenable number.

29040385 is a deficient number, since it is larger than the sum of its proper divisors (9082175).

29040385 is a wasteful number, since it uses less digits than its factorization.

29040385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 29040385 is about 5388.9131557300. The cubic root of 29040385 is about 307.3742319528.

The spelling of 29040385 in words is "twenty-nine million, forty thousand, three hundred eighty-five".