29506989 has 4 divisors (see below), whose sum is σ = 39342656. Its totient is φ = 19671324.

The previous prime is 29506979. The next prime is 29506993. The reversal of 29506989 is 98960592.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 29506989 - 2⁴ = 29506973 is a prime.

It is a super-2 number, since 2×29506989² = 1741324799692242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29506909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4917829 + ... + 4917834.

It is an arithmetic number, because the mean of its divisors is an integer number (9835664).

Almost surely, 2^29506989 is an apocalyptic number.

It is an amenable number.

29506989 is a deficient number, since it is larger than the sum of its proper divisors (9835667).

29506989 is an equidigital number, since it uses as much as digits as its factorization.

29506989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9835666.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 29506989 is about 5432.0335970979. The cubic root of 29506989 is about 309.0117296372.

The spelling of 29506989 in words is "twenty-nine million, five hundred six thousand, nine hundred eighty-nine".