29286813 has 8 divisors (see below), whose sum is σ = 39225088. Its totient is φ = 19436544.

The previous prime is 29286791. The next prime is 29286823. The reversal of 29286813 is 31868292.

It is a happy number.

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

It is not a de Polignac number, because 29286813 - 2⁶ = 29286749 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 (29286823) 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, 21220 + ... + 22557.

It is an arithmetic number, because the mean of its divisors is an integer number (4903136).

Almost surely, 2^29286813 is an apocalyptic number.

It is an amenable number.

29286813 is a deficient number, since it is larger than the sum of its proper divisors (9938275).

29286813 is a wasteful number, since it uses less digits than its factorization.

29286813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44003.

The product of its digits is 41472, while the sum is 39.

The square root of 29286813 is about 5411.7292060856. The cubic root of 29286813 is about 308.2412127689.

The spelling of 29286813 in words is "twenty-nine million, two hundred eighty-six thousand, eight hundred thirteen".