29972286 has 24 divisors (see below), whose sum is σ = 65105040. Its totient is φ = 9965376.

The previous prime is 29972281. The next prime is 29972311. The reversal of 29972286 is 68227992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29972281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6006 + ... + 9798.

It is an arithmetic number, because the mean of its divisors is an integer number (2712710).

Almost surely, 2^29972286 is an apocalyptic number.

29972286 is an abundant number, since it is smaller than the sum of its proper divisors (35132754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29972286 is a wasteful number, since it uses less digits than its factorization.

29972286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240 (or 4237 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 29972286 is about 5474.6950600011. The cubic root of 29972286 is about 310.6275390703.

It can be divided in two parts, 29 and 972286, that added together give a triangular number (972315 = T₁₃₉₄).

The spelling of 29972286 in words is "twenty-nine million, nine hundred seventy-two thousand, two hundred eighty-six".