29680829 has 4 divisors (see below), whose sum is σ = 30312384. Its totient is φ = 29049276.

The previous prime is 29680823. The next prime is 29680841. The reversal of 29680829 is 92808692.

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 29680829 - 2²⁴ = 12903613 is a prime.

It is a super-2 number, since 2×29680829² = 1761903220254482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29680829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29680823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315707 + ... + 315800.

It is an arithmetic number, because the mean of its divisors is an integer number (7578096).

Almost surely, 2^29680829 is an apocalyptic number.

It is an amenable number.

29680829 is a deficient number, since it is larger than the sum of its proper divisors (631555).

29680829 is an equidigital number, since it uses as much as digits as its factorization.

29680829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631554.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 29680829 is about 5448.0114720878. The cubic root of 29680829 is about 309.6173878300.

The spelling of 29680829 in words is "twenty-nine million, six hundred eighty thousand, eight hundred twenty-nine".