29286261 has 12 divisors (see below), whose sum is σ = 42362892. Its totient is φ = 19496256.

The previous prime is 29286253. The next prime is 29286269. The reversal of 29286261 is 16268292.

It is a happy number.

29286261 is a `hidden beast` number, since 2 + 9 + 28 + 626 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (29286253) and next prime (29286269).

It can be written as a sum of positive squares in 2 ways, for example, as 12320100 + 16966161 = 3510^2 + 4119^2 .

It is not a de Polignac number, because 29286261 - 2³ = 29286253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29286269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5815 + ... + 9611.

It is an arithmetic number, because the mean of its divisors is an integer number (3530241).

Almost surely, 2^29286261 is an apocalyptic number.

It is an amenable number.

29286261 is a deficient number, since it is larger than the sum of its proper divisors (13076631).

29286261 is a wasteful number, since it uses less digits than its factorization.

29286261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660 (or 4657 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 29286261 is about 5411.6782055107. The cubic root of 29286261 is about 308.2392761724.

The spelling of 29286261 in words is "twenty-nine million, two hundred eighty-six thousand, two hundred sixty-one".