29798985 has 16 divisors (see below), whose sum is σ = 48579264. Its totient is φ = 15592512.

The previous prime is 29798983. The next prime is 29798999. The reversal of 29798985 is 58989792.

It is not a de Polignac number, because 29798985 - 2¹ = 29798983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29798983) 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, 17947 + ... + 19536.

It is an arithmetic number, because the mean of its divisors is an integer number (3036204).

Almost surely, 2^29798985 is an apocalyptic number.

It is an amenable number.

29798985 is a deficient number, since it is larger than the sum of its proper divisors (18780279).

29798985 is a wasteful number, since it uses less digits than its factorization.

29798985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37544.

The product of its digits is 3265920, while the sum is 57.

The square root of 29798985 is about 5458.8446579840. The cubic root of 29798985 is about 310.0276943694.

The spelling of 29798985 in words is "twenty-nine million, seven hundred ninety-eight thousand, nine hundred eighty-five".