29798649 has 12 divisors (see below), whose sum is σ = 43110756. Its totient is φ = 19834272.

The previous prime is 29798641. The next prime is 29798651. The reversal of 29798649 is 94689792.

It can be written as a sum of positive squares in 2 ways, for example, as 13638249 + 16160400 = 3693^2 + 4020^2 .

It is not a de Polignac number, because 29798649 - 2³ = 29798641 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29798595 and 29798604.

It is not an unprimeable number, because it can be changed into a prime (29798641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4339 + ... + 8855.

It is an arithmetic number, because the mean of its divisors is an integer number (3592563).

Almost surely, 2^29798649 is an apocalyptic number.

It is an amenable number.

29798649 is a deficient number, since it is larger than the sum of its proper divisors (13312107).

29798649 is a wasteful number, since it uses less digits than its factorization.

29798649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256 (or 5253 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 29798649 is about 5458.8138821543. The cubic root of 29798649 is about 310.0265291205.

It can be divided in two parts, 2979 and 8649, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 29798649 in words is "twenty-nine million, seven hundred ninety-eight thousand, six hundred forty-nine".