29240087 has 4 divisors (see below), whose sum is σ = 29348256. Its totient is φ = 29131920.

The previous prime is 29240059. The next prime is 29240089. The reversal of 29240087 is 78004292.

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

It is a cyclic number.

It is not a de Polignac number, because 29240087 - 2⁶ = 29240023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29240089) 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, 53678 + ... + 54219.

It is an arithmetic number, because the mean of its divisors is an integer number (7337064).

Almost surely, 2^29240087 is an apocalyptic number.

29240087 is a deficient number, since it is larger than the sum of its proper divisors (108169).

29240087 is a wasteful number, since it uses less digits than its factorization.

29240087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108168.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 29240087 is about 5407.4103783604. The cubic root of 29240087 is about 308.0771964537.

The spelling of 29240087 in words is "twenty-nine million, two hundred forty thousand, eighty-seven".