29517489 has 9 divisors (see below), whose sum is σ = 42659929. Its totient is φ = 19667460.

The previous prime is 29517461. The next prime is 29517497. The reversal of 29517489 is 98471592.

The square root of 29517489 is 5433.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 29517489 - 2¹⁷ = 29386417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29517689) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15394 + ... + 17204.

Almost surely, 2^29517489 is an apocalyptic number.

29517489 is the 5433-rd square number.

29517489 is the 2717-th centered octagonal number.

It is an amenable number.

29517489 is a deficient number, since it is larger than the sum of its proper divisors (13142440).

29517489 is an frugal number, since it uses more digits than its factorization.

29517489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628 (or 1814 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The cubic root of 29517489 is about 309.0483790151.

It can be divided in two parts, 2951 and 7489, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 29517489 in words is "twenty-nine million, five hundred seventeen thousand, four hundred eighty-nine".