29504981 has 4 divisors (see below), whose sum is σ = 32187264. Its totient is φ = 26822700.

The previous prime is 29504971. The next prime is 29504983. The reversal of 29504981 is 18940592.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29504981 - 2¹⁴ = 29488597 is a prime.

It is a super-2 number, since 2×29504981² = 1741087807620722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29504983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341125 + ... + 1341146.

It is an arithmetic number, because the mean of its divisors is an integer number (8046816).

Almost surely, 2^29504981 is an apocalyptic number.

It is an amenable number.

29504981 is a deficient number, since it is larger than the sum of its proper divisors (2682283).

29504981 is a wasteful number, since it uses less digits than its factorization.

29504981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682282.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 29504981 is about 5431.8487644632. The cubic root of 29504981 is about 309.0047198896.

The spelling of 29504981 in words is "twenty-nine million, five hundred four thousand, nine hundred eighty-one".