29040891 has 8 divisors (see below), whose sum is σ = 42241344. Its totient is φ = 17600520.

The previous prime is 29040889. The next prime is 29040901. The reversal of 29040891 is 19804092.

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

It is not a de Polignac number, because 29040891 - 2¹ = 29040889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 880027 = 29040891 / (2 + 9 + 0 + 4 + 0 + 8 + 9 + 1).

It is not an unprimeable number, because it can be changed into a prime (29040091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439981 + ... + 440046.

It is an arithmetic number, because the mean of its divisors is an integer number (5280168).

Almost surely, 2^29040891 is an apocalyptic number.

29040891 is a deficient number, since it is larger than the sum of its proper divisors (13200453).

29040891 is a wasteful number, since it uses less digits than its factorization.

29040891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880041.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 29040891 is about 5388.9601037677. The cubic root of 29040891 is about 307.3760171731.

The spelling of 29040891 in words is "twenty-nine million, forty thousand, eight hundred ninety-one".