29827949 has 2 divisors, whose sum is σ = 29827950. Its totient is φ = 29827948.

The previous prime is 29827927. The next prime is 29827991. The reversal of 29827949 is 94972892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25755625 + 4072324 = 5075^2 + 2018^2 .

It is a cyclic number.

It is not a de Polignac number, because 29827949 - 2²⁴ = 13050733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29827897 and 29827906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29827999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14913974 + 14913975.

It is an arithmetic number, because the mean of its divisors is an integer number (14913975).

Almost surely, 2^29827949 is an apocalyptic number.

It is an amenable number.

29827949 is a deficient number, since it is larger than the sum of its proper divisors (1).

29827949 is an equidigital number, since it uses as much as digits as its factorization.

29827949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 29827949 is about 5461.4969559636. The cubic root of 29827949 is about 310.1281086885.

The spelling of 29827949 in words is "twenty-nine million, eight hundred twenty-seven thousand, nine hundred forty-nine".