29685842 has 8 divisors (see below), whose sum is σ = 47148156. Its totient is φ = 13969792.

The previous prime is 29685839. The next prime is 29685853. The reversal of 29685842 is 24858692.

It can be written as a sum of positive squares in 2 ways, for example, as 23629321 + 6056521 = 4861^2 + 2461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 29685793 and 29685802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436523 + ... + 436590.

Almost surely, 2^29685842 is an apocalyptic number.

29685842 is a deficient number, since it is larger than the sum of its proper divisors (17462314).

29685842 is a wasteful number, since it uses less digits than its factorization.

29685842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873132.

The product of its digits is 276480, while the sum is 44.

The square root of 29685842 is about 5448.4715287868. The cubic root of 29685842 is about 309.6348179877.

The spelling of 29685842 in words is "twenty-nine million, six hundred eighty-five thousand, eight hundred forty-two".