29424869 has 2 divisors, whose sum is σ = 29424870. Its totient is φ = 29424868.

The previous prime is 29424823. The next prime is 29424881. The reversal of 29424869 is 96842492.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24750625 + 4674244 = 4975^2 + 2162^2 .

It is a cyclic number.

It is not a de Polignac number, because 29424869 - 2¹² = 29420773 is a prime.

It is a super-2 number, since 2×29424869² = 1731645831334322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29420869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14712434 + 14712435.

It is an arithmetic number, because the mean of its divisors is an integer number (14712435).

Almost surely, 2^29424869 is an apocalyptic number.

It is an amenable number.

29424869 is a deficient number, since it is larger than the sum of its proper divisors (1).

29424869 is an equidigital number, since it uses as much as digits as its factorization.

29424869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 29424869 is about 5424.4694671461. The cubic root of 29424869 is about 308.7247962511.

The spelling of 29424869 in words is "twenty-nine million, four hundred twenty-four thousand, eight hundred sixty-nine".