29407985 has 4 divisors (see below), whose sum is σ = 35289588. Its totient is φ = 23526384.

The previous prime is 29407969. The next prime is 29407999. The reversal of 29407985 is 58970492.

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 5895184 + 23512801 = 2428^2 + 4849^2 .

It is a cyclic number.

It is not a de Polignac number, because 29407985 - 2⁴ = 29407969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2940794 + ... + 2940803.

It is an arithmetic number, because the mean of its divisors is an integer number (8822397).

Almost surely, 2^29407985 is an apocalyptic number.

It is an amenable number.

29407985 is a deficient number, since it is larger than the sum of its proper divisors (5881603).

29407985 is an equidigital number, since it uses as much as digits as its factorization.

29407985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5881602.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 29407985 is about 5422.9129626060. The cubic root of 29407985 is about 308.6657361551.

The spelling of 29407985 in words is "twenty-nine million, four hundred seven thousand, nine hundred eighty-five".