29986357 has 2 divisors, whose sum is σ = 29986358. Its totient is φ = 29986356.

The previous prime is 29986349. The next prime is 29986373. The reversal of 29986357 is 75368992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18957316 + 11029041 = 4354^2 + 3321^2 .

It is a cyclic number.

It is not a de Polignac number, because 29986357 - 2³ = 29986349 is a prime.

It is a super-2 number, since 2×29986357² = 1798363212262898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29986357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29986757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14993178 + 14993179.

It is an arithmetic number, because the mean of its divisors is an integer number (14993179).

Almost surely, 2^29986357 is an apocalyptic number.

It is an amenable number.

29986357 is a deficient number, since it is larger than the sum of its proper divisors (1).

29986357 is an equidigital number, since it uses as much as digits as its factorization.

29986357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 29986357 is about 5475.9800036158. The cubic root of 29986357 is about 310.6761412611.

The spelling of 29986357 in words is "twenty-nine million, nine hundred eighty-six thousand, three hundred fifty-seven".