29079985 has 16 divisors (see below), whose sum is σ = 38413440. Its totient is φ = 20957440.

The previous prime is 29079977. The next prime is 29079989. The reversal of 29079985 is 58997092.

It is not a de Polignac number, because 29079985 - 2³ = 29079977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29079989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3876 + ... + 8554.

It is an arithmetic number, because the mean of its divisors is an integer number (2400840).

Almost surely, 2^29079985 is an apocalyptic number.

It is an amenable number.

29079985 is a deficient number, since it is larger than the sum of its proper divisors (9333455).

29079985 is a wasteful number, since it uses less digits than its factorization.

29079985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 29079985 is about 5392.5861142869. The cubic root of 29079985 is about 307.5138822032.

The spelling of 29079985 in words is "twenty-nine million, seventy-nine thousand, nine hundred eighty-five".