29286985 has 32 divisors (see below), whose sum is σ = 43610112. Its totient is φ = 18385920.

The previous prime is 29286979. The next prime is 29286989. The reversal of 29286985 is 58968292.

It is not a de Polignac number, because 29286985 - 2³ = 29286977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29286989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86737 + ... + 87073.

It is an arithmetic number, because the mean of its divisors is an integer number (1362816).

Almost surely, 2^29286985 is an apocalyptic number.

It is an amenable number.

29286985 is a deficient number, since it is larger than the sum of its proper divisors (14323127).

29286985 is a wasteful number, since it uses less digits than its factorization.

29286985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553.

The product of its digits is 622080, while the sum is 49.

The square root of 29286985 is about 5411.7450974709. The cubic root of 29286985 is about 308.2418161961.

The spelling of 29286985 in words is "twenty-nine million, two hundred eighty-six thousand, nine hundred eighty-five".