29866042 has 8 divisors (see below), whose sum is σ = 47434356. Its totient is φ = 14054592.

The previous prime is 29866033. The next prime is 29866049. The reversal of 29866042 is 24066892.

It can be written as a sum of positive squares in 2 ways, for example, as 28740321 + 1125721 = 5361^2 + 1061^2 .

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 = 29865992 and 29866010.

It is not an unprimeable number, because it can be changed into a prime (29866049) 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, 439173 + ... + 439240.

Almost surely, 2^29866042 is an apocalyptic number.

29866042 is a deficient number, since it is larger than the sum of its proper divisors (17568314).

29866042 is a wasteful number, since it uses less digits than its factorization.

29866042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878432.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 29866042 is about 5464.9832570649. The cubic root of 29866042 is about 310.2600731150.

The spelling of 29866042 in words is "twenty-nine million, eight hundred sixty-six thousand, forty-two".