29869481 has 2 divisors, whose sum is σ = 29869482. Its totient is φ = 29869480.

The previous prime is 29869447. The next prime is 29869531. The reversal of 29869481 is 18496892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15085456 + 14784025 = 3884^2 + 3845^2 .

It is a cyclic number.

It is not a de Polignac number, because 29869481 - 2¹⁰ = 29868457 is a prime.

It is a super-2 number, since 2×29869481² = 1784371790418722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29869421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14934740 + 14934741.

It is an arithmetic number, because the mean of its divisors is an integer number (14934741).

Almost surely, 2^29869481 is an apocalyptic number.

It is an amenable number.

29869481 is a deficient number, since it is larger than the sum of its proper divisors (1).

29869481 is an equidigital number, since it uses as much as digits as its factorization.

29869481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 47.

The square root of 29869481 is about 5465.2978875812. The cubic root of 29869481 is about 310.2719812149.

The spelling of 29869481 in words is "twenty-nine million, eight hundred sixty-nine thousand, four hundred eighty-one".