29986969 has 4 divisors (see below), whose sum is σ = 30053044. Its totient is φ = 29920896.

The previous prime is 29986967. The next prime is 29986973. The reversal of 29986969 is 96968992.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28515600 + 1471369 = 5340^2 + 1213^2 .

It is a cyclic number.

It is not a de Polignac number, because 29986969 - 2¹ = 29986967 is a prime.

It is a super-2 number, since 2×29986969² = 1798436619613922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29986967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32352 + ... + 33265.

It is an arithmetic number, because the mean of its divisors is an integer number (7513261).

Almost surely, 2^29986969 is an apocalyptic number.

It is an amenable number.

29986969 is a deficient number, since it is larger than the sum of its proper divisors (66075).

29986969 is an equidigital number, since it uses as much as digits as its factorization.

29986969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66074.

The product of its digits is 3779136, while the sum is 58.

The square root of 29986969 is about 5476.0358837393. The cubic root of 29986969 is about 310.6782548057.

The spelling of 29986969 in words is "twenty-nine million, nine hundred eighty-six thousand, nine hundred sixty-nine".