29685049 has 4 divisors (see below), whose sum is σ = 31247440. Its totient is φ = 28122660.

The previous prime is 29685037. The next prime is 29685053. The reversal of 29685049 is 94058692.

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 not a de Polignac number, because 29685049 - 2⁹ = 29684537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29684996 and 29685014.

It is not an unprimeable number, because it can be changed into a prime (29685949) 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, 781167 + ... + 781204.

It is an arithmetic number, because the mean of its divisors is an integer number (7811860).

Almost surely, 2^29685049 is an apocalyptic number.

It is an amenable number.

29685049 is a deficient number, since it is larger than the sum of its proper divisors (1562391).

29685049 is a wasteful number, since it uses less digits than its factorization.

29685049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562390.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 29685049 is about 5448.3987555978. The cubic root of 29685049 is about 309.6320608642.

The spelling of 29685049 in words is "twenty-nine million, six hundred eighty-five thousand, forty-nine".